Games like Color Guys
Games like Color Guys include Celeste, Webbed, Öoo, Planet of Lana, and Portal 2. We matched them by the tags players give Color Guys on Steam (Precision Platformer, Puzzle Platformer, 2D Platformer, Puzzle, and Tutorial): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · 2D Platformer · Platformer

Webbed
Shared: 2D Platformer · Puzzle Platformer · Cute

Öoo
Shared: Puzzle Platformer · 2D Platformer · Puzzle

Planet of Lana
Shared: Puzzle Platformer · 2D Platformer · Puzzle

Portal 2
Shared: Puzzle · Platformer · Puzzle Platformer

LIMBO
Shared: Puzzle Platformer · Puzzle · Platformer

Super Meat Boy
Shared: Precision Platformer · 2D Platformer · Platformer

Moonleap
Shared: Puzzle Platformer · Puzzle · Platformer

Leap Year
Shared: Precision Platformer · 2D Platformer · Puzzle Platformer

Braid
Shared: Puzzle Platformer · 2D Platformer · Puzzle

Pikuniku
Shared: Puzzle · Cute · Indie

Neva
Shared: Platformer · Puzzle · 2D Platformer

Portal
Shared: Puzzle Platformer · Puzzle · Female Protagonist

Defy Gravity Extended
Shared: Puzzle Platformer · Puzzle · Platformer

The Pedestrian
Shared: Puzzle Platformer · Puzzle · 2D Platformer

Laughing to Die
Shared: Puzzle · 2D Platformer · Platformer

ANIMAL WELL
Shared: Puzzle · Puzzle Platformer · Platformer

GRIS
Shared: Female Protagonist · Platformer · Puzzle

FEZ
Shared: Puzzle · Platformer · Puzzle Platformer

Thomas Was Alone
Shared: Precision Platformer · 2D Platformer · Platformer

Trine 2: Complete Story
Shared: Puzzle Platformer · 2D Platformer · Platformer

ElecHead
Shared: Puzzle Platformer · Puzzle · Platformer

VVVVVV
Shared: Precision Platformer · 2D Platformer · Platformer

PICO PARK
Shared: Puzzle Platformer · Platformer · Puzzle