Reasonable Colors

Reasonable Colors

Open‑source color system for accessible, high‑contrast palettes

Website

Pricing Features

Free and Open Source
Donation Supported

Other Features

MIT License
MIT
Self-hosting Allowed

Capability Features

Color Sets
GrayRoseRaspberryRedOrangeCinnamonAmberYellowLimeChartreuseGreenEmeraldAquamarineTealCyanPowderSkyCeruleanAzureBlueIndigoVioletPurpleMagentaPink
Shades per Color
6
WCAG Contrast Checker
Contrast Ratio 3:1
shade difference of 2
Contrast Ratio 4.5:1
shade difference of 3
Contrast Ratio 7:1
shade difference of 4
CSS Variable Customization
Hex Color Output
HSL Color Model
RGB Color Format
LCH Color Format
Color Space Used
LCH
Uniform Hue Spacing
Accessible by Default
Unlimited Usage

Integration Features

Prebuilt CSS Integration
NPM Package
SCSS Variables
GitHub Source Code
GitLab Mirror

Limitation Features

No Paid Plans Mentioned
No User Accounts
No API Access
No Plugin Integrations
No Custom Color Generation