Glasbey cool

Summary

Glasbey cool is a 256-color categorical colormap from colorcet. Its colors span lightness 0.34–0.96 and chroma 0.04–0.31.

Cool-hue-restricted variant.

Perceptual profile (OKLCh)

• Lightness: 0.572 → 0.584 (range 0.618, min 0.342, max 0.960); non-monotonic; midpoint 0.586
• Chroma: min 0.036, max 0.309, mean 0.107
• Hue: 260.8° → 213.4° (span 143.7°), path folded; quadrants: blue, mint, azure, cyan, violet, green
• Endpoint temperature: cool → cool
• Perceptual ΔE: total 7704.6, mean/step 30.214, max step 66.835, smoothness 0.543, speed 1.000

Colorblind safety (ΔE under simulated CVD)

• Protanopia: ΔE total 6959.4; preserves order: no
• Deuteranopia: ΔE total 6649.4; preserves order: no
• Tritanopia: ΔE total 5561.5; preserves order: no

Related

• Family: colorcet
• Source: Kovesi 2015 — "Good Colour Maps: How to Design Them" (arXiv:1509.03700)
• Similar categorical maps: Glasbey, Glasbey BW, Glasbey category10, Glasbey (dark bg), Glasbey HV, Glasbey (light bg), Glasbey warm
• All colormaps