Individual skill

color-semantic-systems

Use this skill when building or auditing a color system that encodes meaning — status colors (success / warning / error), category colors (department, product line, user segment), brand-role colors (primary, secondary, tertiary). Trigger when designing status badges, picking chart palettes, building a design-system color spec, or fixing inconsistent color use across surfaces. Sub-aspect of `color`; read that first.

plugins/HDeibler/universal-design-principles/plugins/perception-and-hierarchy-principles/skills/color-semantic-systems/SKILL.md

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Nov 6, 2026
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Apache-2.0

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# Building semantic color systems

A semantic color system encodes meaning through color: green means success, red means error, blue means primary brand. Done well, users learn the system once and read every surface fluently. Done poorly, the same color means different things in different places, and users learn nothing reliably.

## What semantic colors should encode

Three useful categories:

### Status / state

Conveys the condition of a thing:

- Success / completed / passed
- Warning / pending / caution