Glasbey HV

Summary

Glasbey HV is a 256-color categorical colormap from colorcet. Its colors span lightness 0.30–0.98 and chroma 0.00–0.31.

HoloViews-aligned (matches default 12).

Perceptual profile (OKLCh)

• Lightness: 0.675 → 0.646 (range 0.675, min 0.304, max 0.979); non-monotonic; midpoint 0.798
• Chroma: min 0.000, max 0.312, mean 0.124
• Hue: 235.3° → 88.5° (span 360.0°), path folded; quadrants: azure, orange, yellow, green, cyan, magenta, red, blue, rose, chartreuse, violet, mint
• Endpoint temperature: cool → warm
• Perceptual ΔE: total 11164.8, mean/step 43.783, max step 102.338, smoothness 0.575, speed 1.000

Colorblind safety (ΔE under simulated CVD)

• Protanopia: ΔE total 9320.8; preserves order: no
• Deuteranopia: ΔE total 9046.4; preserves order: no
• Tritanopia: ΔE total 9683.2; 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 cool, Glasbey (dark bg), Glasbey (light bg), Glasbey warm
• All colormaps