# Emerald

Canonical URL: https://colorcurio.us/colormaps/cmasher.emerald
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/emerald/emerald_norm.txt
Tags: perceptually-uniform, sequential
Stops: 256

## Summary

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

Black→emerald sequential.

## Perceptual profile (OKLCh)

- Lightness: 0.000 → 0.901 (range 0.901, min 0.000, max 0.901); monotonic; midpoint 0.502
- Chroma: min 0.000, max 0.152, mean 0.095
- Hue: 0.0° → 188.9° (span 188.9°), path monotonic-cw; quadrants: green, mint, cyan
- Endpoint temperature: null → cool
- Perceptual ΔE: total 89.1, mean/step 0.349, max step 0.578, smoothness 0.795, speed 0.349

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 87.6; preserves order: yes
- Deuteranopia: ΔE total 84.1; preserves order: yes
- Tritanopia: ΔE total 78.5; preserves order: yes

## Related

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