Build an Accessible Brand Colour and Contrast Palette

Contrast belongs to colour pairs and interaction states

A brand colour may pass on white and fail on a tinted card, gradient, image, or dark-theme surface. Borders, placeholder text, focus indicators, errors, disabled controls, and hover states also need intentional combinations.

What to review

• Define semantic tokens for text, muted text, surfaces, borders, links, focus, status, and actions.
• Test actual foreground-background pairs at their rendered size and weight.
• Do not use colour alone for status, selection, validation, or required fields.
• Review light and dark themes, gradients, transparency, images, and forced-colour behaviour.

A practical implementation plan

1. Inventory combinations

   Capture every brand and utility colour pair used across common components and states.

2. Create accessible roles

   Adjust shades and assign tokens rather than applying one accent everywhere.

3. Test components

   Review buttons, links, inputs, cards, charts, banners, menus, and focus states at all breakpoints.

What to measure

Track contrast defects, theme regressions, forced-colour issues, visual QA findings, and customer feedback. Passing a palette sample does not prove every rendered component passes.

Connect the insight to the customer journey

Publish a small approved token table and require designers and developers to use it before introducing another hardcoded colour.

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