# Sapphire

Canonical URL: https://colorcurio.us/colormaps/cmasher.sapphire
Source type: Colormap
Type: sequential
Collection: cmasher
Attribution: Ellert van der Velden — CMasher (10.21105/joss.02004)
License: BSD-3
Source: https://raw.githubusercontent.com/1313e/CMasher/master/src/cmasher/colormaps/sapphire/sapphire_norm.txt
Tags: perceptually-uniform, sequential
Stops: 256

## Summary

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

Black→sapphire-blue sequential.

## Perceptual profile (OKLCh)

- Lightness: 0.000 → 0.901 (range 0.901, min 0.000, max 0.901); monotonic; midpoint 0.517
- Chroma: min 0.000, max 0.128, mean 0.067
- Hue: 0.0° → 191.0° (span 169.0°), path monotonic-ccw; quadrants: violet, blue, azure, cyan
- Endpoint temperature: null → cool
- Perceptual ΔE: total 89.6, mean/step 0.351, max step 0.451, smoothness 0.808, speed 0.351

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 85.4; preserves order: yes
- Deuteranopia: ΔE total 82.2; preserves order: yes
- Tritanopia: ΔE total 76.2; preserves order: yes

## Related

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