Color Engine

Provides six pure in-memory CSS color tools: parsing, conversion, WCAG/APCA contrast, gamut mapping, ramps, and solving.

Color Engine provides six deterministic, in-memory CSS color utilities: parsing color strings, converting between formats, computing WCAG and APCA contrast ratios, gamut mapping for display profiles, generating perceptual color ramps, and solving for target contrast values. Requires no external calls or state.