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Triangulum Color Picker

Icon link to GitHub repository for Triangulum Color Picker
Triangular color picker palette for red, with fully saturated red indicated

Chroma Link to help document on chroma

Pure hue share in the mix with gray

100%

0% for gray – 100% for pure hue

Luminance Link to help document on luminance

Contrast ratio against pure black

5.25:1

1:1 for black – 21:1 for white