# Glasbey HV

Canonical URL: https://colorcurio.us/colormaps/colorcet.glasbey-hv
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_hv_n256.csv
Tags: categorical, glasbey
Stops: 256

## Summary

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

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