# Cool to Warm

Canonical URL: https://colorcurio.us/colormaps/paraview.cool-to-warm
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
Stops: 256

## Summary

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

3-point Moreland diverging; ParaView default for ratio data.

## Perceptual profile (OKLCh)

- Lightness: 0.475 → 0.487 (range 0.419, min 0.475, max 0.895); non-monotonic; midpoint 0.895
- Chroma: min 0.001, max 0.195, mean 0.099
- Hue: 271.3° → 22.4° (span 111.1°), path monotonic-cw; quadrants: violet, red
- Endpoint temperature: cool → warm
- Perceptual ΔE: total 113.8, mean/step 0.446, max step 0.813, smoothness 0.799, speed 0.446

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 105.2; preserves order: yes
- Deuteranopia: ΔE total 98.4; preserves order: yes
- Tritanopia: ΔE total 109.8; preserves order: yes

## Related

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