Best Color Tools
A hand-checked list of the best free color tools for developers. Every tool runs in your browser — no upload, no login, no API key.
9 tools
Color Converter
Color
Convert colors between HEX, RGB, HSL, HWB, OKLCH and CMYK.
Contrast Checker
Color
Check WCAG 2.1 contrast ratio between two colors.
Palette Generator
Color
Generate complementary, analogous, triadic and other palettes.
Shade Generator
Color
Generate a 50–950 tint and shade scale from one color.
Color Blindness Simulator
Color
Simulate how a palette looks with common color vision deficiencies.
Color Mixer
Color
Blend two colors with a ratio slider and preview CSS blend modes.
Gradient Palette Extractor
Color
Extract and normalize colors from CSS gradients or lists.
Random Color Generator
Color
Generate random colors and palettes with HSL constraints.
Hex to SwiftUI & UIColor Converter
Color
Turn a hex color into SwiftUI, UIKit and asset catalog code.