# Fire

Canonical URL: https://colorcurio.us/colormaps/vispy.fire
Source type: Colormap
Type: sequential
Collection: vispy
Attribution: vispy 0.x, vispy/color/colormap.py
License: BSD-3-Clause
Source: https://vispy.org/api/vispy.color.colormap.html
Tags: light-start, white-yellow-red
Stops: 256

## Summary

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

vispy preset 'fire' (white→yellow→red).

## Perceptual profile (OKLCh)

- Lightness: 1.000 → 0.628 (range 0.372, min 0.628, max 1.000); monotonic; midpoint 0.968
- Chroma: min 0.000, max 0.258, mean 0.152
- Hue: 0.0° → 29.2° (span 109.8°), path monotonic-cw; quadrants: chartreuse, yellow, orange, red
- Endpoint temperature: null → warm
- Perceptual ΔE: total 102.0, mean/step 0.400, max step 0.687, smoothness 0.675, speed 0.400

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 84.8; preserves order: yes
- Deuteranopia: ΔE total 65.7; preserves order: yes
- Tritanopia: ΔE total 70.6; preserves order: yes

## Related

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