# Incandescent

Canonical URL: https://colorcurio.us/colormaps/tol.incandescent
Source type: Colormap
Type: sequential
Collection: tol
Attribution: Paul Tol, "Colour Schemes" (SRON/EPS/TN/09-002)
License: BSD-3-Clause
Source: https://sronpersonalpages.nl/~pault/
Tags: cvd-friendly
Stops: 256

## Summary

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

Sequential cyan-yellow-red.

## Perceptual profile (OKLCh)

- Lightness: 0.966 → 0.460 (range 0.507, min 0.460, max 0.966); monotonic; midpoint 0.797
- Chroma: min 0.050, max 0.234, mean 0.163
- Hue: 196.4° → 28.8° (span 168.6°), path monotonic-ccw; quadrants: cyan, mint, green, chartreuse, yellow, orange, red
- Endpoint temperature: cool → warm
- Perceptual ΔE: total 121.1, mean/step 0.475, max step 0.612, smoothness 0.940, speed 0.475

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 89.3; preserves order: yes
- Deuteranopia: ΔE total 77.4; preserves order: yes
- Tritanopia: ΔE total 109.1; preserves order: yes

## Related

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