# Emergency

Canonical URL: https://colorcurio.us/colormaps/cmasher.emergency
Source type: Colormap
Type: cyclic
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/emergency/emergency_norm.txt
Tags: perceptually-uniform, cyclic
Stops: 256

## Summary

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

Cyclic emergency-light cycle.

## Perceptual profile (OKLCh)

- Lightness: 0.000 → 0.026 (range 0.998, min 0.000, max 0.998); non-monotonic; midpoint 0.994
- Chroma: min 0.000, max 0.178, mean 0.086
- Hue: 0.0° → 78.4° (span 227.0°), path folded; quadrants: azure, blue, violet, magenta, rose, red, orange, yellow
- Endpoint temperature: null → null
- Perceptual ΔE: total 225.8, mean/step 0.886, max step 1.301, smoothness 0.800, speed 0.886

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 198.3; preserves order: yes
- Deuteranopia: ΔE total 195.5; preserves order: yes
- Tritanopia: ΔE total 218.4; preserves order: yes

## Related

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