Color systems, palette creation, accessibility, and the psychology behind color choices in design.

A working designer's guide to building a brand color palette that survives dark mode, disabled states, and every surface past the logo. Five real brands inside.
GuideColor theory for working designers. The wheel, harmonies, perception, psychology, accessibility, and how modern design systems turn all of it into shipped product.

How to design for WCAG 2.2 contrast without flattening your brand into gray. Ratios, APCA, real design-system examples, and a tokenized testing workflow.

The 60-30-10 rule is an interior design shortcut designers keep forcing onto product work. Here is what modern color systems do instead.

What every color actually communicates in design, why context beats theory, and three rules for building palettes that convert.