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Theme Color Contrast Checker

Understanding Contrast Ratings

  • 7.0+ AAA Excellent contrast, exceeds WCAG AAA (7:1)
  • 4.5+ AA Good contrast, meets WCAG AA for normal text (4.5:1)
  • 3.0+ AA Large Fair contrast, meets WCAG AA for large text only (3:1)
  • Fail Poor contrast, doesn't meet minimum WCAG requirements

Accent Colors as Text

Testing theme accent colors as text on their respective light/dark backgrounds.

Primary Light on Light BG
Normal Text (AA)
Large Text (AA)
Primary Light on Light Section
Normal Text (AA)
Large Text (AA)
Secondary Light on Light BG
Normal Text (AA)
Large Text (AA)
Secondary Light on Light Section
Normal Text (AA)
Large Text (AA)
Primary Dark on Dark BG
Normal Text (AA)
Large Text (AA)
Primary Dark on Dark Section
Normal Text (AA)
Large Text (AA)
Secondary Dark on Dark BG
Normal Text (AA)
Large Text (AA)
Secondary Dark on Dark Section
Normal Text (AA)
Large Text (AA)

Accent Colors as Background (e.g., for Buttons)

Testing accent colors as backgrounds according to the project-specific design rules.

White Text on Primary Light
Normal Text (AA)
Large Text (AA)
White Text on Secondary Light
Normal Text (AA)
Large Text (AA)
Black Text on Primary Dark
Normal Text (AA)
Large Text (AA)
Black Text on Secondary Dark
Normal Text (AA)
Large Text (AA)