Alternatives to RandomA11y

A web tool that generates random color pairs meeting WCAG contrast requirements. The listings below can replace it for an important use case. Each note says what changes if you switch.

The original

  • RandomA11y

    A web tool that generates random color pairs meeting WCAG contrast requirements.

    FreeProprietaryWeb

Replacements

Listings that take over the same core job as RandomA11y.

  • Colorable

    A web tool for testing the contrast of a text and background color pair against WCAG levels.

    FreeProprietaryWeb

    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.

  • Accessible Colors

    A web checker that tests text and background contrast against WCAG and suggests the closest passing colors.

    FreeProprietaryWeb

    Accessible Colors starts from your own text and background pair and suggests the nearest colors that pass WCAG AA or AAA, rather than producing random passing pairs.

  • 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 and can be self-hosted, and it suggests valid colors close to a pair you enter instead of random ones.

  • Accessible Color Generator

    A web tool that finds the closest accessible variation of a brand color for a chosen background.

    FreeProprietaryWeb

    Accessible Color Generator adjusts a brand color to the nearest accessible variation for a chosen background, with AA and AAA targets, though the page promotes the developer's courses.

Similar software

Related functionality, not a direct replacement.

  • WebAIM Contrast Checker

    An online checker that tests foreground and background color contrast against WCAG AA and AAA levels.

    FreeProprietaryWeb
  • WhoCanUse

    A web tool showing how a text and background color pair looks to people with various vision conditions.

    FreeProprietaryWeb
  • Contrast Ratio

    A web tool that calculates the WCAG contrast ratio between a text color and a background color.

    FreeProprietaryWeb
  • Colour Contrast Checker

    A web tool that checks foreground and background colour pairs against WCAG contrast levels.

    FreeProprietaryWeb
  • Realtime Colors

    A web tool that previews a color palette and font pairing on a realistic page layout as you edit it.

    FreeProprietaryWeb
  • Huemint

    A web color palette generator that uses machine learning to create schemes for brands and websites.

    FreeProprietaryWeb