# Glasbey BW

Canonical URL: https://colorcurio.us/colormaps/colorcet.glasbey-bw
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_n256.csv
Tags: categorical, glasbey
Stops: 256

## Summary

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

Maximally-distinct on white/black backgrounds.

## Perceptual profile (OKLCh)

- Lightness: 0.552 → 0.794 (range 0.873, min 0.109, max 0.982); non-monotonic; midpoint 0.500
- Chroma: min 0.005, max 0.298, mean 0.118
- Hue: 29.2° → 108.4° (span 360.0°), path folded; quadrants: red, violet, green, azure, rose, yellow, blue, orange, cyan, mint, magenta, chartreuse
- Endpoint temperature: warm → warm
- Perceptual ΔE: total 11454.2, mean/step 44.919, max step 101.497, smoothness 0.618, speed 1.000

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 9647.6; preserves order: no
- Deuteranopia: ΔE total 9567.8; preserves order: no
- Tritanopia: ΔE total 10228.2; preserves order: no

## Related

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