# Glasbey cool

Canonical URL: https://colorcurio.us/colormaps/colorcet.glasbey-cool
Source type: Colormap
Type: categorical
Collection: colorcet
Attribution: Kovesi 2015 — "Good Colour Maps: How to Design Them" (arXiv:1509.03700)
License: CC-BY-4.0
Source: https://raw.githubusercontent.com/holoviz/colorcet/main/assets/Glasbey/glasbey_bw_minc_20_hue_150_280_n256.csv
Tags: categorical, glasbey
Stops: 256

## Summary

Glasbey cool is a categorical colormap from the colorcet collection. Inspect its perceptual lightness, chroma, and hue profile on colorcurio.us.

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: https://colorcurio.us/colormaps/families/colorcet
- All colormaps: https://colorcurio.us/colormaps