# Cool to Warm (Extended)

Canonical URL: https://colorcurio.us/colormaps/paraview.cool-to-warm-ext
Source type: Colormap
Type: diverging
Collection: paraview
Attribution: ParaView / VTK — Kitware (presets curated by Moreland, Samsel et al.)
License: BSD-3
Source: https://raw.githubusercontent.com/Kitware/ParaView/master/Remoting/Views/ColorMaps.json
Tags: diverging, perceptually-uniform
Stops: 256

## Summary

Cool to Warm (Extended) is a diverging colormap from the paraview collection. Inspect its perceptual lightness, chroma, and hue profile on colorcurio.us.

35-point Moreland extended diverging.

## Perceptual profile (OKLCh)

- Lightness: 0.210 → 0.319 (range 0.768, min 0.210, max 0.978); non-monotonic; midpoint 0.970
- Chroma: min 0.009, max 0.164, mean 0.103
- Hue: 264.1° → 354.2° (span 274.1°), path folded; quadrants: blue, azure, cyan, chartreuse, yellow, orange, red, rose
- Endpoint temperature: cool → warm
- Perceptual ΔE: total 200.3, mean/step 0.786, max step 7.291, smoothness 0.303, speed 0.786

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 182.3; preserves order: yes
- Deuteranopia: ΔE total 181.1; preserves order: yes
- Tritanopia: ΔE total 198.9; preserves order: yes

## Related

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