# Crest

Canonical URL: https://colorcurio.us/colormaps/seaborn.crest
Source type: Colormap
Type: sequential
Collection: seaborn
Attribution: seaborn (Michael Waskom)
License: BSD-3
Source: https://github.com/mwaskom/seaborn/blob/master/seaborn/cm.py
Tags: perceptually-uniform, bathymetry
Stops: 256

## Summary

Crest is a sequential colormap from the seaborn collection. Inspect its perceptual lightness, chroma, and hue profile on colorcurio.us.

Sequential cool blue-green.

## Perceptual profile (OKLCh)

- Lightness: 0.803 → 0.349 (range 0.455, min 0.349, max 0.803); monotonic; midpoint 0.573
- Chroma: min 0.078, max 0.110, mean 0.088
- Hue: 135.2° → 275.6° (span 140.4°), path monotonic-cw; quadrants: green, mint, cyan, azure, blue, violet
- Endpoint temperature: warm → cool
- Perceptual ΔE: total 72.6, mean/step 0.285, max step 0.321, smoothness 0.910, speed 0.285

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 62.6; preserves order: yes
- Deuteranopia: ΔE total 62.2; preserves order: yes
- Tritanopia: ΔE total 53.2; preserves order: yes

## Related

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