Alternate costume (SSBU)

NOTE: Every claimed source needs a cross-reference link; claimed sources need to be plausible, not awfully obscure; default costumes usually don't need descriptions since they are not alternate costumes; returning costumes original to Smash do not need references to their appearances in previous Smash games.

Inkling male and female alternate costumes

Each character in Super Smash Bros. Ultimate has a set of alternate costumes. Due to the presence of 8-Player Smash, all characters have eight costumes.

Mario wearing his Wedding and Builder alternate costumes

Some characters possess certain alternate costumes with more drastic design differences, and are not merely recolors of their standard outfits. Mario, Wario, Link, Zero Suit Samus, Ike, Little Mac, Shulk, Cloud, Bayonetta, and Ridley have different outfits available; Pokémon Trainer, Villager, Wii Fit Trainer, Robin, Corrin, and Inkling all have male and female variants; Olimar and Bowser Jr. have model swaps that change them into new characters, complete with corresponding voice and Announcer clips, though like all other alternate costumes, they bear no gameplay differences.

Bayonetta

Half of Bayonetta's costumes are based on her design from Bayonetta 2, while the other half are based on her design from Bayonetta. For the former half, she wields Love is Blue, which has blue attack trails. For the latter half, she wields Scarborough Fair, which has red attack trails.

Black	Based on her appearance in Bayonetta 2.
Yellow
Red	Based on Jeanne, Bayonetta's friendly rival. Her hair is white when executing Wicked Weaves and Infernal Climax.
White	Resemblers her white gown from Bayonetta 2's prologue.
Original	Based on her appearance in Bayonetta. It is known as "A Witch With No Memories" in Bayonetta 2.
Green	Resembles one of her alternate colors in Anarchy Reigns.
Pink
Blue	Resembles one of her alternate colors in Anarchy Reigns.

Bowser

Default
Black
Yellow
Green	Resembles one of his alternate colors in Mario Golf and his in-game sprite from Super Mario World. It also resembles his appearance in all three cartoon shows produced by DIC Entertainment and the Nintendo Comics System series.
Grey	Resembles Morton's original design from Super Mario Bros. 3 and Super Mario World.
Orange
Red	Resembles one of his alternate colors in Mario Golf and his in-game sprite from Mario is Missing! on the NES.
Blue	Based on the Bowser Impostor from Super Mario Bros.: The Lost Levels. It also resembles one of his alternate colors from Mario Golf.

Bowser Jr.

Bowser Jr.'s alternate costumes replace him with each of the seven Koopalings. He is the only fighter where he is replaced with a different character for each swap. With the exception of Bowser Jr., each Koopling rides in a Clown Car unique to SSB4.

Junior	Bowser Jr. rides in his Junior Clown Car that was introduced in New Super Mario Bros. Wii.
Larry	Replaced with Larry Koopa.
Roy	Replaced with Roy Koopa.
Wendy	Replaced with Wendy O. Koopa.
Iggy	Replaced with Iggy Koopa.
Morton	Replaced with Morton Koopa Jr.
Lemmy	Replaced with Lemmy Koopa.
Ludwig	Replaced with Ludwig von Koopa.

Captain Falcon

Indigo
Black	Based on his appearance in the Japanese commercial for F-Zero X.
Red	Based on Blood Falcon, Captain Falcon's clone and rival. It is his only costume with a unique logo on the back: a skull with "Blood Hawk" (the name of Blood Falcon's vehicle) written underneath.
Green
Blue	Resembles his appearance in the original F-Zero and in F-Zero: GP Legend.
White	Resembles Jody Summer's original appearance in F-Zero X.
Yellow
Cyan

Charizard

File:Charizard Palette (SSBU).png

Orange
Red	Resembles the Pokémon Charmeleon, Charizard's pre-evolved form.
Green
Pink
Yellow	Resembles the Shiny colorations of Charmander and Charmeleon.
White	Resembles the Pokémon Aerodactyl.
Blue	Resembles the Pokémon Zubat and its evolved form, Golbat.
Purple	Resembles its original Shiny coloration from Pokémon Gold, Silver, and Crystal.

Cloud

					File:CloudHeadAdventTealSSBU.png	File:CloudHeadBlackSSBU.png

Half of Cloud's costumes are based on his appearance in Final Fantasy VII, while the other half are based on his "Cloudy Wolf" design from Final Fantasy VII: Advent Children. He wields the Buster Sword in the former outfits and the Fusion Swords in the latter outfits.

Purple	Based on his appearance in Final Fantasy VII.
Advent Black	Based on his appearance in the movie Final Fantasy VII: Advent Children. It is referred to as his "Advent Children costume".
Blue	Resembles Zack Fair, Cloud's best friend, in his 2nd-Class SOLDIER uniform from Crisis Core: Final Fantasy VII.
Advent Blue	Resembles the 3rd-Class SOLDIER uniform from Crisis Core: Final Fantasy VII.
Red	Resembles the 2nd-Class SOLDIER uniform from Final Fantasy VII.
Advent Teal	Based on his appearance in Advent Children after his fight with Bahamut SIN, during which his sleeve is torn off. His Geostigma-infected arm is exposed, as is the red ribbon he wrapped around it in memory of Aerith Gainsborough.
Black	Resembles his appearance in Final Fantasy VII Remake and Zack Fair's 1st-Class SOLDIER uniform in Crisis Core: Final Fantasy VII.
Advent Purple

Corrin

Half of Corrin's costumes are male, while the other half are female.

Default	Based on the default customization settings for the Nohr Prince in Fire Emblem Fates.
Female	Based on the default customization settings for the Nohr Princess in Fire Emblem Fates.
Red
Orange
Blue
Pink
Green
Black	Resembles her appearance as a Nohr Noble in Fire Emblem Fates.

Daisy

Dark Pit

Black
Green
Brown	Resembles Magnus from Kid Icarus: Uprising.
Yellow
Red
Blue
White	Resembles Pit. Dark Pit retains his black wings and gains a red scarf, likely to better differentiate the two. It is complimentary to Pit's "fallen angel" costume.
Purple

Diddy Kong

Red
White	The vest is reminiscent of Diddy Kong's alternate outfit in Donkey Kong Country's Two-Player Contest mode.
Pink	Resembles Dixie Kong, Diddy Kong's girlfriend.
Purple	Resembles his appearance in Donkey Kong Country 2: Diddy's Kong Quest's Two-Player Contest mode.
Green	Resembles one of his alternate costumes from Donkey Kong 64's Multiplayer Mode.
Blue	Resembles Kiddy Kong, Dixie's partner in Donkey Kong Country 3: Dixie Kong's Double Trouble.
Yellow
Cyan	Resembles Donkey Kong Jr. as he appears in Donkey Kong Jr. Math.

Donkey Kong

Brown
Black	Resembles a gorilla. The tie is reminiscent of Donkey Kong's appearance in Donkey Kong Country's Two-Player Contest Mode.
Red	Resembles the original D.K. from Donkey Kong.
Blue	Resembles one of his alternate costumes from Donkey Kong 64's Multiplayer Mode. It also resembles one of his alternate colors from Mario Golf.
Green	Resembles one of his alternate costumes from DK: King of Swing.
White	Referred to as "Yeti DK" on the Brawl DOJO!!. Resembles the mythical yeti. It also resembles the Fire Mini Donkey Kongs from the Mario vs. Donkey Kong series and Eddie the Yeti from the Donkey Kong Country TV series.
Yellow	Resembles one of his alternate colors from Mario Golf.
Pink	Resembles Junior (II) from Donkey Kong Jr. Math.

Dr. Mario

White	Resembles his appearance in Dr. Mario 64, but with black jeans instead of white trousers.
Red	Resembles the color of scrubs worn by modern nurses.
Blue	Resembles the color of scrubs worn by modern doctors.
Green	Resembles the color of scrubs worn by modern surgeons.
Black	Referred to as the "Unlicensed Doctor" on the Melee website.
Yellow
Purple
Pink	Resembles Nurse Toadstool.

Duck Hunt

Duck Hunt's alternate costumes change the dog and/or the duck's colors to resemble real variants of the respective animals.

Default	The duck is one of the three possible ducks from Duck Hunt.
Black	The dog resembles a Coonhound, a popular hunting dog. The duck resembles a male Saxony duck.
Blue	The dog resembles a Border Collie or an American Pit Bull Terrier. The duck resembles an American black duck.
Brown	The duck resembles a female Orpington duck.
White	The dog resembles a Dalmatian. The duck resembles a ruddy shelduck, an orange species with green wings.
Tan	The dog resembles a Beagle. The duck resembles a male blue-headed mallard, an uncommon variant.
Yellow	The duck is one of the three possible ducks that appear in Duck Hunt. It resembles a male mallard.
Red	The dog resembles a Black Labrador Retriever. The duck is one of the three possible ducks from Duck Hunt.

Falco

Default	Based on his appearance in Star Fox Command.
Orange	Resembles his appearance in Star Fox 64 and Star Fox 64 3D.
Blue
Red	Resembles his appearance in Star Fox: Assault.
Green
Black	Complimentary to Fox's "Dark Fox" costume. Resembles a black pheasant or raven.
White
Pink

Fox

Default	Based on his appearance in Star Fox Command.
Black	Referred to as the "Dark Fox" on the Brawl DOJO!! It resembles a black fox.
Red	Resembles Fox's Player 1 costume from Star Fox: Assault's Versus Mode and Falco's appearance in Assault.
Green
Orange
White	The reticle is orange in Super Smash Bros. for Wii U instead of green.
Yellow	Resembles Fox's Player 3 costume from Star Fox: Assault's Versus Mode.
Purple	Resembles Wolf O'Donnell, Fox's rival.

Ganondorf

				File:GanondorfHeadRedSSBU.png	File:GanondorfHeadYellowSSBU.png

Black	Based on his appearance in The Legend of Zelda: Twilight Princess.
White
Purple
Green
Red
Yellow	Resembles his appearance in The Legend of Zelda: Ocarina of Time.
Grey
Blue	Resembles his original appearance as the monster Ganon in The Legend of Zelda, A Link to the Past, and A Link Between Worlds.

Greninja

				File:GreninjaHeadLavenderSSBU.png

Blue
Red
Pink
Black
Lavender
Green
Grey
Purple

Ice Climber

File:Ice Climber Palette (SSBU).png
File:IceClimberHeadSSBU.png	File:IceClimberHeadSSBU.png	File:IceClimberHeadSSBU.png	File:IceClimberHeadSSBU.png	File:IceClimberHeadSSBU.png	File:IceClimberHeadSSBU.png	File:IceClimberHeadSSBU.png	File:IceClimberHeadSSBU.png

Ike

							File:IkeHeadWhiteSSBU.png

Default	Based on his appearance as a Hero in Fire Emblem: Radiant Dawn.
Yellow	Resembles Greil, Ike's father.
Red
Blue	Resembles Sigurd, one of the protagonists in Fire Emblem: Genealogy of the Holy War.
Green	Resembles Geoffrey, one of Ike's comrades, as he appears in Fire Emblem: Path of Radiance.
Brown	Referred to as an "ordinary soldier" on the Brawl DOJO!!.
Black	Resembles the Black Knight, Ike's rival, as he appears in Radiant Dawn.
White	Based on Chrom, one of the protagonists in Fire Emblem Awakening.

Inkling

							File:InklingHeadNavySSBU.png

Orange	Orange female Inkling wearing the Fake Contacts (effectively no headgear), White Tee and Pink Trainers
Blue	Blue male Inkling wearing the Fake Contacts, Zink Layered LS and Purple Hi-Horses
Yellow	Yellow female Inkling wearing the Hero Headset Replica, Hero Jacket Replica and Hero Runner Replicas
Green	Green male Inkling wearing the Skull Bandana, Armor Jacket Replica and Moto Boots
Pink	Pink female Inkling wearing the Takoroka Mesh, Black Squideye and White Kicks
Cyan	Cyan male Inkling wearing the Retro Specs, Baby-Jelly Shirt and Blue Slip-Ons
Purple	Purple female Inkling wearing the Squid Hairclip, School Uniform and School Shoes
Navy	Navy male Inkling wearing the Skate Helmet, Octo Tee and Octoling Boots

Jigglypuff

Unlike previous games, none of Jigglypuff's alternate costumes change it to its Shiny coloration.

Default
Red	Its hibiscus is reminiscent of Phoebe, a member of the Elite Four from Pokémon Ruby and Sapphire.
White	Its hat is reminiscent of Leaf, the female protagonist of Pokémon FireRed and LeafGreen.
Blue	Resembles one of the possible colors for a nicknamed Jigglypuff in Pokémon Stadium. Its hat is reminiscent of the Bug Catcher Trainer class.
Green	Resembles one of the possible colors for a nicknamed Jigglypuff in Pokémon Stadium. Its cap is reminiscent of Kirby with the Sleep Copy Ability.
Pink	Resembles its Red Team costume from the original Super Smash Bros.
Nurse	Its hat is reminiscent of the Pokémon Center Nurse from Pokémon X and Y.
Glasses	Its cap and glasses resemble the Red Felt Hat and White Wide-frame Sunglasses, respectively, from Pokémon X and Y. The are part of the default outfit of the titles' female protagonist, Serena.

King Dedede

					File:KingDededeHeadBrownSSBU.png

Red
Pink	Resembles one of his alternate colors in Kirby 64: The Crystal Shards' Multiplayer mode.
Green	Resembles one of his alternate costumes in Kirby Air Ride. The obi features sprites of Waddle Dees on it.
Purple	Resembles one of his alternate costume in Kirby Air Ride. The obi is reminiscent of formal Japanese kimonos.
Cyan	The obi features the same icons as one of the menu schemes from Kirby 64.
Brown	Resembles his appearance on the monochromatic Game Boy screen in Kirby's Dream Land.
Blue	Resembles one of his alternate colors in Kirby 64's Multiplayer mode.
Black	Resembles one of his alternate costume in Kirby Air Ride and an emperor penguin.

Kirby

Pink
Yellow	Based on and directly referred to as "Keeby" from Kirby's Dream Course. It also resembles Yellow Kirby from various Kirby titles and Beam Kirby in Kirby Super Star. The costume is brighter in Super Smash Bros. for Nintendo 3DS.
Blue	Based on Ice Kirby in Kirby Super Star. It also resembles Blue Kirby from various Kirby titles.
Red	Based on Fire Kirby in Kirby Super Star. It also resembles Red Kirby from various Kirby titles.
Green	Resembles Green Kirby from various Kirby titles and Plasma Kirby in Kirby Super Star Ultra.
White	Resembles Kirby's monochromatic in-game sprite from Kirby's Dream Land.
Orange	Resembles Kirby's appearance after using Orange Spray Paint in Kirby & The Amazing Mirror and Kirby: Squeak Squad.
Purple	Resembles Meta Knight unmasked. The costume is brighter in Super Smash Bros. for Nintendo 3DS.

Link

		File:LinkHeadGreen			File:LinkHeadGraySSBU.png	File:LinkHeadBlue

Blue	Based on his appearance from The Legend of Zelda: Breath of the Wild
Green	Based on his Hero of the Wild Armor from The Legend of Zelda: Breath of the Wild
Green #2	Based on his appearance from The Legend of Zelda: Twilight Princess.
White	Based on his appearance as a resident of Skyloft from the beginning of The Legend of Zelda: Skyward Sword.
Red	Based on the Goron Tunic from The Legend of Zelda: Ocarina of Time. It also resembles his tunic with the Red Ring equipped in The Legend of Zelda and Red Link from the Four Swords titles.
Gray	Resembles Fierce Deity Link from The Legend of Zelda: Majora's Mask
Blue #2	Based on the Zora Tunic from Ocarina of Time. It also resembles Blue Link from the Four Swords titles.
Black	Based on Dark Link. Resembles the Dark Interlopers from Twilight Princess.

Little Mac

							File:LittleMacHeadWireGreenSSBU.png

Default	Based on his appearance in Punch-Out!! (2009).
Yellow	Resembles his appearance in Punch-Out!! (2009)'s Title Defense Mode.
White	Resembles his in-game sprite after defeating opposing boxers in Punch-Out!! (1987) and Piston Hondo's appearance in Punch-Out!! (2009).
Blue	Resembles his appearance when fighting in the Major Circuit in Punch-Out!! on the Wii.
Green	Resembles the protagonist of Super Punch-Out!!.
Pink	His pink, hooded sweatshirt is reminiscent of the training montages in the Punch-Out!! series.
Wire	The wireframe design based on the original arcade Punch-Out!!
Wire Green	Based on his pink, hooded sweatshirt from the training montages in the Punch-Out!! series, but with the colors inverted

Lucario

	File:LucarioHeadRedSSBU.png

Mega Lucario is always treated as blue in Find Mii.

Blue
Red
White
Grey
Teal
Navy
Green
Purple

Lucas

Yellow	Derived from Ness's model and design.
Orange	Resembles Claus, Lucas's twin brother from Mother 3.
Blue
Red
Grey	Resembles the Masked Man from Mother 3. The shirt's design includes a sprite of the Masked Man's head.
Cyan	Resembles Duster from Mother 3.
Green	Resembles Boney's human disguise from Mother 3. The shirt's design features a sprite of Boney's head.
Purple	The shirt's design includes a sprite of a baby Drago from Mother 3.

Lucina

Lucina's alternate costumes are based off of female characters from Fire Emblem Awakening.

Blue
Green	Resembles Nowi.
Black	Resembles Cherche.
White	Resembles Cordelia.
Red	Resembles Tiki. The back of her cape features a crest of the Divine Dragon Naga, Tiki's mother.
Yellow	Resembles Lissa, Lucina's aunt.
Navy	Resembles Tharja. The back of her cape features the Brand of the Fell Dragon, a prominent symbol in Tharja's home country.
Purple	Resembles Sumia.

Luigi

Green
Orange	Resembles Mario's appearance on the boxart for Pinball, although Luigi's cap is orange instead of blue.
Pink	The original Super Smash Bros. website referred to this costume as "Strawberry Luigi". It resembles his appearance in Wrecking Crew.
Cyan	Resembles Mario's appearance on the American boxart for Mario Bros.
White	Resembles Fire Luigi.
Purple	Resembles Waluigi, though the "L" on his cap is purple instead of yellow. This was not the case in Brawl.
Blue	Resembles his appearance on the boxart for All Night Nippon Super Mario Bros. The color contrast is more pronounced in Super Smash Bros. for Nintendo 3DS.
Yellow

Mario

						File:MarioHeadBuilderSSBU.png	File:MarioHeadWhiteTuxedoSSBU.png

Red
Striped	Based on Mario's appearances from Family Computer Golf: U.S. Course and NES Open Tournament Golf. This costume can also be worn by Mario in Super Mario Odyssey.
Blue	Resembles Mario's appearance on the Japanese boxart for Mario Bros.
Black	Originally based on Foreman Spike from Wrecking Crew, though the palette has become more monochromatic with each new Smash title.
Green	Resembles Mario's appearance on the Japanese boxart for Wrecking Crew, but with the overalls being more brown. Resembles Luigi's appearance from the arcade version of Mario Bros., with the colors of the overalls and shirt swapped.
Purple	Resembles Waluigi. This costume can also be worn by Mario in Super Mario Odyssey.
Builder	Based on the builder helmet and outfit Mario wears in artwork for Super Mario Maker. This costume can also be worn by Mario in Super Mario Odyssey.
White Tuxedo	Based on Mario's white top hat and white tuxedo he can wear in Super Mario Odyssey.

Marth

Navy	Based on his appearance as a Lord in Fire Emblem: Shadow Dragon and New Mystery of the Emblem: Heroes of Light and Shadow. The Falchion retains its design from Mystery of the Emblem.
Red	Resembles the overworld sprites of enemy units in the Fire Emblem games.
Green	Resembles the overworld sprites of allied units in the Fire Emblem games.
Black	Resembles the overworld sprites of partner units in Fire Emblem: Geneology of the Holy War.
White	Resembles Leif, the protagonist of Fire Emblem: Thracia 776.
Blue	Resembles his appearance in Mystery of the Emblem.
Yellow	Resembles Roy's yellow costume in Melee, but with black pants instead of white.
Purple	Resembles Roy's appearance in Fire Emblem: The Binding Blade.

Mega Man

Blue
Red	Resembles his appearance when using Items 1, 2, and 3 in Mega Man 2.
Green	Resembles his appearance when using the Leaf Shield in Mega Man 2 and the Gyro Attack in Mega Man 5.
Brown	Resembles his appearance when using the Metal Blade in Mega Man 2 and the Ring Boomerang in Mega Man 4.
Cyan	Resembles his Air Shooter appearance when using the Air Shooter in Mega Man 2 and the Jewel Satellite in Mega Man 9.
Chartreuse	Resembles his appearance when using the Slash Claw in Mega Man 7.
Orange	Resembles his appearance when using the Flame Blast in Mega Man 6.
Grey	Resembles his appearance when using the Thunder Beam in the original Mega Man, the Top Spin in Mega Man 3, and the Thunder Wool in Mega Man 10.

Meta Knight

Blue	Based on his regular appearance in the Kirby series, but now has gauntlets over his gloves and a slightly different visor.
White	Resembles one of his alternate costumes in Kirby Air Ride.
Red	Resembles one of his alternate costumes in Kirby Air Ride.
Green	Resembles one of his alternate costumes in Kirby Air Ride.
Navy	Resembles his original appearance in Kirby's Adventure, but with red eyes.
Pink	Resembles one of his an alternate costumes in Kirby Air Ride and Kirby.
Purple	Resembles Galacta Knight, Meta Knight's rival from Kirby Super Star Ultra.
Grey	Resembles Dark Meta Knight, Meta Knight's rival from Kirby & The Amazing Mirror.

Mewtwo

Default
Orange	Resembles one of the possible colors for Mewtwo in the Pokémon Stadium titles.
Blue	Resembles one of the possible colors for Mewtwo in the Pokémon Stadium titles.
Brown
Pink
Yellow
Cyan
Purple	Resembles Shadow Lugia from Pokémon XD: Gale of Darkness.

Mii Fighter

We don't know enough for this section

Mr. Game & Watch

Black	Resembles the characters from the Game & Watch games Fire and Parachute. He has the general color of the LCD frames in most of the Game & Watch handhelds.
Red	Reminiscent of characters and objects as depicted on the Virtual Boy.
Yellow	Reminiscent of characters and objects as depicted on the original Game Boy.
Blue
Teal	Reminiscent of the two shades commonly used by the Game Boy for the background and foreground.
Cyan	Reminiscent of the backlit display of the Game Boy Light.
Green
White	Reminiscent of the monochromatic LCD screen of the Game & Watch games.

Ness

Red
White	Resembles Fuel from Mother 3, but with a cap.
Yellow	Based on the uniforms of the Hanshin Tigers, a Japanese baseball team. The shirt's pattern is reminiscent of the Gigantic Ant enemy from EarthBound.
Green
Blue	Resembles his younger self that he encounters briefly in Magicant.
Black	The shirt features a sprite of Mr. Saturn on the front.
Cyan	The shirt's pattern is reminiscent of Master Belch from EarthBound.
Purple	The shirt's pattern is reminiscent of the tile pattern on the file select and character naming screens in EarthBound.

Olimar

Four of Olimar's costumes replace him with Alph, the protagonist of Pikmin 3.

Tan	Based on his appearance in Pikmin 3.
Red
Green
Blue	Combines elements of his white and blue costumes from Brawl, which resemebled a Navy Mark IV space suit and his partner Louie from Pikmin 2, respectively.
Alph	Based on Alph's appearance in Pikmin 3.
Alph Green	Resembles Charlie, Alph's captain in Pikmin 3.
Alph Pink	Resembles Brittany, Alph's co-worker in Pikmin 3.
Alph Red	Resembles Olimar.

Pac-Man

Default	Based on his design in the Japanese version of Pac-Land, the Pac-Man World titles, and the Japanese arcade cabinets.
Blue	Resembles his in-game sprite with the Wing Shoes power-up from Pac-Land.
Yellow
Black
Purple
White	Resembles his appearance with the Wing Shoes power-up from Pac-Land.
Red
Plaid	His gloves and boots are reminiscent of oven mitts.

Palutena

White
Pink	Resembles her in-game sprite from the original Kid Icarus.
Cyan	Resembles Amazon Pandora from Kid Icarus: Uprising.
Green	Resembles her appearance in Kid Icarus' instruction booklet.
Blue
Red	Resembles Viridi.
Black	Resembles Dark Pit.
Purple	Resembles Medusa from Uprising.

Peach

Pink
Yellow	Resembles Princess Daisy.
Red	Resembles Pauline's original appearance in Donkey Kong.
Blue	Resembles one of her alternate colors from Mario Golf and Daisy's appearance on the title screen of NES Open Tournament Golf.
Green	Resembles one of her alternate colors from Mario Golf and her appearance on the title screen of NES Open Tournament Golf.
White	Resembles a wedding gown. The dress is reminisicent of the wedding dress Paper Peach wore in Super Paper Mario.
Fire	Resembles Fire Peach from Super Mario 3D World and her in-game sprite from the original Super Mario Bros.
Black

Pichu

Pikachu

			File:PikachuHeadCyanSSBU.png			File:PikachuHeadWhiteSSBU.png	File:PikachuHeadPurpleSSBU.png

Default
Red	Resembles one of the possible colors for a nicknamed Pikachu in Pokémon Stadium and its Shiny coloration. Its cap is reminiscent of Red's appearance in Pokémon Red and Blue.
Green	Resembles one of the possible colors for a nicknamed Pikachu in Pokémon Stadium. Its headband is reminiscent of Brendan's appearance in Pokémon Emerald.
Cyan	Its goggles are reminiscent of the Swimmer Trainer class and Pichu's Blue Team costume from Melee.
Yellow	Its cap is reminiscent of Ethan's appearance in Pokémon HeartGold and SoulSilver.
Blue	Resembles its Blue Team costume from the original Super Smash Bros.
White	Resembles its Shiny coloration. Its headband resembles the Choice Band.
Purple	Resembles its appearance in Pokémon X and Y and its official artwork for the Pokémon series. Its cap and glasses resemble the Red Outdoors Cap and Wide-frame Sunglasses, respectively, from X and Y. The are part of the default outfit of the titles' male protagonist, Calem.

Pit

						File:PitHeadCyanSSBU.png

White	Based on his appearance in Kid Icarus: Uprising.
Yellow
Red	Resembles his chiton after obtaining the Gold Arrow and reaching Level 4 strength in the original Kid Icarus.
Green	Resembles his chiton after obtaining the Bronze Arrow and reaching Level 2 strength in Kid Icarus.
Blue	Resembles his chiton after obtaining the Sacred Arrow and reaching Level 5 strength in Kid Icarus.
Black	Referred to as a "fallen angel" on the Brawl DOJO!!. Unlike in Brawl, Pit retains his white wings and gains a purple scarf, likely to better differentiate him from Dark Pit.
Cyan	Resembles his chiton after obtaining the Silver Arrow and reaching Level 3 strength in Kid Icarus .
Pink

Pokémon Trainer

Ridley

				File:RidleyHeadPurple		File:RidleyHeadWhiteSSBU.png	File:RidleyHeadBlackSSBU.png

Purple	Based off of its appearance in Metroid: Other M
Red	Based off of its artwork in Super Metroid
Blue	Based off of Ridley-X in Metroid Fusion or their artwork from Metroid
Green	Based off of its appearance in Metroid: Zero Mission
Purple #2	Based off of its sprite in Metroid
Yellow	Based off of Ridley's carcass in Metroid Fusion
White	Based off of Mecha Ridley in Metroid: Zero Mission
Black	Based off of Meta Ridley. Possible placeholder

R.O.B.

						File:ROBHeadWhiteSSBU.png

Tan	Based on the Japanese version of R.O.B. released for the Famicon - the "Family Computer Robot". It is the default color for Japanese releases of Smash 4.
Grey	Based on the western version of R.O.B. released for the NES. The text on his base reads "R.O.B. - Robotic Operating Buddy" instead of "Family Computer Robot". It is the default color for American and PAL releases of Smash 4, though some visual elements retain the Famicom color as primary.
Yellow	Resembles Flipper, a glitch enemy from Stack-Up.
Purple	Resembles Spike, a glitch enemy from Stack-Up.
Blue	Resembles the "Azurite Blue" Game Boy Advance SP.
Green	Resembles the R.O.B. Launcher enemy from Brawl's Subspace Emissary.
White	Resembles the "Mint x White" Nintendo 3DS.
Red	Resembles the Virtual Boy.

Robin

					File:RobinHeadOrangeSSBU.png

Half of Robin's costumes are male, while the other half are female.

Default	Based on the default customization settings for the male tactician in Fire Emblem Awakening.
Female	Based on the default customization settings for the female tactician in Fire Emblem Awakening.
Green	Resembles the overworld sprite for Mark, the customizable tactician from Fire Emblem: The Blazing Blade.
Red	Resembles Anna, a reoccurring shopkeeper in the Fire Emblem series, as she appeared in Awakening.
Blue	Resembles Kris, the avatar from Fire Emblem: New Mystery of the Emblem: Heroes of Light and Shadow.
Orange	Resembles Eyvel from Fire Emblem: Thracia 776.
White	Resembles the White Mage class from Square Enix's Final Fantasy series.
Pink	Resembles Serra from The Blazing Blade.

Rosalina & Luma

Cyan
Pink
Yellow
Green
Red	Resembles Fire Rosalina in Super Mario 3D World.
Purple
Black
White

Roy

Blue	Based on his appearance in Fire Emblem: The Binding Blade and his appearance in Fire Emblem Awakening as an Einherjar. The intent was to make him look more mature.
Red	Resembles the overworld sprites of enemy units in the Fire Emblem games. Roy can have this color scheme in The Binding Blade's Link Arena mode.
Green	Resembles the overworld sprites of allied units in the Fire Emblem games. Roy can have this color scheme in The Binding Blade's Link Arena mode.
Violet	Resembles Marcus, Roy's guardian and ally in The Binding Blade.
Cyan	Resembles Eliwood, Roy's father, as he appears in Fire Emblem: The Blazing Blade.
Purple	Resembles Zephiel, the main antagonist of The Binding Blade.
Pink	Resembles Cecilia, Roy's tutor and ally in The Binding Blade.
Yellow

Ryu

							File:RyuHeadRedSSBU.png

All of Ryu's costumes seem to be based on his alternate costumes from Super Street Fighter II Turbo HD Remix.

White
Grey	Resembles his appearance as the second player in Street Fighter II: Champion Edition.
Cyan	Resembles his appearance as the first player in Street Fighter II Turbo: Hyper Fighting and his appearance in the Street Fighter Alpha titles.
Black	Resembles his default "Low Punch" color from Super Street Fighter II Turbo.
Orange	Resembles Ryo Sakazaki, a fighter from SNK's Art of Fighting series.
Blue	Resembles an outfit available to Ryu in Super Street Fighter II.
Green	Resembles his default "Start + Kick" palette from Super Street Fighter II Turbo.
Red	Resembles Dan Hibiki, another fighter from the Street Fighter series.

Samus

Orange	Based on the Varia Suit as it appears in Metroid: Other M.
Blue	Based on the Fusion Suit from Metroid Fusion.
Pink	Based on the Gravity Suit's in-game sprite from Super Metroid, but more closely resembles the color scheme of the Varia Suit of the original Metroid when missiles are selected.
Brown	Based on the Dark Suit from Metroid Prime 2: Echoes.
Purple	Based on the Gravity Suit's appearance in Metroid Prime.
Green	The original Super Smash Bros. website referred to this alternate costume as "mass-produced Samus", a reference to Gundam. Referred to as "Green Samus" by Masahiro Sakurai. While the artwork depicts the suit with an orange helmet and breastplate, they are red in-game.
White	Based on the Light Suit from Metroid Prime 2: Echoes.
Black

Sheik

			File:SheikHeadPinkSSBU.png

Blue	Based on unused concept art of her from The Legend of Zelda: Twilight Princess.
Red
Purple	Resembles her appearance in The Legend of Zelda: Ocarina of Time.
Pink
Green
Black
Yellow
White

Shulk

With the exception of his first and last alternate costumes, all of Shulk's palette swaps are based on the color schemes of his traveling companions from Xenoblade Chronicles.

Red
White	Resembles Mecha-Fiora.
Black	Resembles Dunban.
Orange	Resembles Reyn.
Blue	Resembles Sharla.
Lavender	Resembles Melia.
Yellow	Resembles Riki.
Trunks	Based on Shulk's "Swimsuit" armor set and his appearance with weapons unequipped in Xenoblade Chronicles. His skin is slightly tanned when wearing this costume.

Snake

						File:SnakeHeadLightGreenSSBU.png

Most of Snake's costumes seem to be based on different camouflage uniforms worn by Naked Snake in Metal Gear Solid 3: Snake Eater.

Gray	Based on the sneaking suit worn by Solid Snake in Metal Gear Solid 2: Sons of Liberty.
Black	Resembles the Black camouflage.
Red	Resembles the Fire camouflage.
Blue	Resembles the Splitter camouflage.
Green	Resembles the Tiger Stripe camouflage.
White	Resembles the Snow Camouflage.
Light Green	Resembles the Leaf camouflage.
Brown	Resembles the Animal camouflage.

Sonic

							File:SonicHeadRedSSBU.png

Blue
Purple	Resembles NiGHTS, a character from Sega's NiGHTS into Dreams series. The bracelets are reminiscent of the purple Chaos Emerald.
Cyan	Resembles Classic Sonic from Sonic Generations. The bracelets are reminiscent of his Crystal Ring power-up from Sonic Adventure.
White	Resembles Silver the Hedgehog. The wristbands are reminiscent of the Ark of the Cosmos from Sonic Riders: Zero Gravity.
Black	Resembles Dark Sonic, a transformation from the Sonic X anime series.
Yellow	The bracelets are reminiscent of Silver's gloves.
Green	The bracelets are reminiscent of the thumbs-up that appears in Knuckles the Echidna in Sonic the Hedgehog 2's Special Stage.
Red	The bracelets are reminiscent of the thumps-up that appears in Sonic the Hedgehog 2's Special Stage.

Toon Link

Green	Based on his appearance in The Legend of Zelda: The Wind Waker.
Red	Resembles Red Link from the Four Swords titles.
Blue	Resembles Blue Link from the Four Swords titles.
Purple	Resembles Purple Link from the Four Swords titles.
Brown	Resembles Link's appearance in The Legend of Zelda.
Black	Resembles Dark Link and the Dark Interlopers from The Legend of Zelda: Twilight Princess.
Grey	Resembles Link's tunic with the Blue Ring equipped in The Legend of Zelda.
Teal	Resembles Link's appearance in The Legend of Zelda: A Link to the Past and its sequel A Link Between Worlds.

Villager

Villager's appearance varies greatly between costumes, with differing eyes, hair, gender and clothing. All of Villager's alternate costumes, with the exception of the yellow costume, are based on how the player may look at the start of a new game depending on how they answer questions asked by Kapp'n or Rover in Animal Crossing: Wild World and Animal Crossing: City Folk respectively.

Red	Male villager wearing a "No. 1 Shirt" as he appears in artwork for City Folk.
Pink	Female villager wearing a "Daisy Shirt" as she appears in artwork for Wild World.
Yellow	Male villager wearing a "Racer 6 Tee". The corresponding starting appearance in Wild World and City Folk instead sports the "Paw Tee" and a different hairstyle.
Green	Female villager wearing a "Turnip Top".
Cyan	Male villager wearing a "Blue Tie-Dye Tee" as he appears in artwork for City Folk.
Blue	Female villager wearing a "Rugby Tee".
Purple	Male villager wearing a "Four-Ball Tee".
Chartreuse	Female villager wearing a "Yellow Bolero".

Wario

			File:WarioHeadCyanSSBU.png

Half of Wario's costumes use his biker outfit from the WarioWare series, while the other half use his classic outfit. Wario is the only character to have their number of costumes decrease between games, as he had 12 in Brawl and 8 in SSB4.

Blue	Based on his appearance in the WarioWare series.
Red	Combines elements of his red and black costumes from Brawl.
Yellow	Combines elements of his yellow and green costumes from Brawl.
Cyan
Classic	Based on his appearance in the Mario and Wario Land series. Referred to as "Overalls Wario" on the Brawl DOJO!!.
Classic Red	Resembles Mario's appearance in Donkey Kong and one of Wario's alternate colors in Mario Golf. It also resembles Mario's appearance in the animated shows produced by DIC Entertainment and the Nintendo Comics System series.
Classic Cyan	Resembles Mario's appearance on the Japanese boxart for Mario Bros.
Classic Green	Resembles Mario's appearance on the Japanese boxart for Wrecking Crew and Luigi's appearance on the arcade version of Mario Bros.

Wii Fit Trainer

Half of the Wii Fit Trainer's costumes are female, while the other half are male.

Blue	Resembles her appearance in Wii Fit, but with her hairstyle from Wii Fit Plus.
Male	Resembles his appearance in Wii Fit.
Green	Resembles her appearance in Wii Fit Plus and Wii Fit U.
Male Green	Resembles his appearance in Wii Fit Plus and Wii Fit U.
Red	The tank top's color is reminiscent of the Aerobics category.
Male Red	The suit's color is reminiscent of the Aerobics category.
Yellow	Resembles her outfit from Wii Fit Plus that appears during Yoga or Strength Training activity in My Wii Fit Plus mode. The tank top's color is reminiscent of the Balance Games category.
Male Yellow	Resembles his outfit from Wii Fit Plus that appears during Yoga or Strength Training activity in My Wii Fit Plus mode. The suit's color is reminiscent of the Balance Games category.

Wolf

Yoshi

							File:YoshiHeadBlackSSBU.png

Unlike in previous installments, the spots on Yoshi's Egg now match those of the selected costume.

Green	Based on a Green Yoshi.
Red	Based on a Red Yoshi.
Blue	Based on a Blue Yoshi.
Yellow	Based on a Yellow Yoshi.
Pink	Based on a Pink Yoshi.
Cyan	Based on a Light Blue Yoshi.
Purple	Resembles a Purple Yoshi.
Black	Resembles a Black Yoshi.

Young Link

Zelda

						File:ZeldaHeadPinkSSBU.png

Default	Based on her appearance in The Legend of Zelda: Twilight Princess.
Red	Resembles her in-game sprite when Link rescues her with the Red Ring equipped in The Legend of Zelda.
Blue	Resembles her in-game sprite when Link rescues her with the Blue Ring equipped in The Legend of Zelda.
Purple	Based on Adult Zelda in The Legend of Zelda: Ocarina of Time.
Green	Resembles her in-game sprite when Link rescues her with no ring equipped in The Legend of Zelda.
Black
Pink	Resembles her appearance in The Legend of Zelda: A Link to the Past and its sequel A Link Between Worlds.
White	Resembles a wedding gown. It also resembles her overworld sprite from A Link to the Past and her appearance as the goddess Hylia in The Legend of Zelda: Skyward Sword.

Zero Suit Samus

Cyan	Based on her appearance in Metroid: Other M and Metroid: Zero Mission.
Blue	Resembles the Zero Suit at the end of Metroid Prime 2: Echoes.
Red	Resembles her leotard at the end of the original Metroid.
Black	Resembles her outfit at the end of Super Metroid.
Green
White	Resembles an outfit from one of the endings of Metroid Fusion.
Shorts Orange	Based on her outfit at the end of Metroid: Zero Mission.
Shorts Blue	Based on her outfit at the end of Fusion.