Alternatives to Colorable
A web tool for testing the contrast of a text and background color pair against WCAG levels. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Colorable
A web tool for testing the contrast of a text and background color pair against WCAG levels.
Replacements
Listings that take over the same core job as Colorable.
WebAIM Contrast Checker
An online checker that tests foreground and background color contrast against WCAG AA and AAA levels.
WebAIM Contrast Checker gives separate results for normal text, large text and UI components, with alpha controls and shareable permalinks.
Contrast Ratio
A web tool that calculates the WCAG contrast ratio between a text color and a background color.
Contrast Ratio updates live as you type CSS color notations and handles semi-transparent colors, though its hosting page includes Siege Media marketing.
Colour Contrast Checker
A web tool that checks foreground and background colour pairs against WCAG contrast levels.
Colour Contrast Checker shows AA and AAA pass or fail with RGB or HSL sliders and previews text in Google fonts.
Colour Contrast Analyser
A free desktop app for checking foreground and background color contrast against WCAG, with eyedropper pickers.
Colour Contrast Analyser is an open source desktop app for Windows and macOS with screen-wide eyedroppers and WCAG 2.0 to 2.2 results.
Contrast Finder
A web tool that checks color contrast against WCAG and suggests close valid color pairs.
Contrast Finder is open source under AGPL-3.0, suggests valid colors close to the original and can be self-hosted.
Accessible Colors
A web checker that tests text and background contrast against WCAG and suggests the closest passing colors.
Accessible Colors checks AA and AAA levels and suggests the nearest passing colors, based on WCAG 2.0 rules.
WhoCanUse
A web tool showing how a text and background color pair looks to people with various vision conditions.
WhoCanUse shows how a color pair looks under various vision conditions and the share of people affected, with source code on GitHub.
Also worth comparing
These listings name Colorable as their own alternative, so the relationship runs both ways.
Accessible Color Generator
A web tool that finds the closest accessible variation of a brand color for a chosen background.
Colorable shows contrast ratio and WCAG level with HSL sliders and random or reverse buttons, leaving you to find the passing variation by hand.
RandomA11y
A web tool that generates random color pairs meeting WCAG contrast requirements.
Colorable lets you tune a single text and background pair with HSL sliders and see the WCAG level, with a random button, instead of only generating passing pairs.
Similar software
Related functionality, not a direct replacement.
Coblis
A browser-based simulator that shows how an image looks to people with color vision deficiencies.
Leonardo
Adobe's web tool for generating accessible color themes and scales from target contrast ratios.
Accessible Palette
A web tool for building color systems with consistent lightness and WCAG contrast across hues.
Realtime Colors
A web tool that previews a color palette and font pairing on a realistic page layout as you edit it.
