# Warm to Cool (Extended)

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

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

Reverse 45-point Moreland extended diverging.

## Perceptual profile (OKLCh)

- Lightness: 0.297 → 0.246 (range 0.732, min 0.246, max 0.978); non-monotonic; midpoint 0.978
- Chroma: min 0.028, max 0.198, mean 0.144
- Hue: 8.4° → 283.9° (span 275.5°), path monotonic-cw; quadrants: red, orange, yellow, chartreuse, mint, cyan, azure, blue, violet
- Endpoint temperature: warm → cool
- Perceptual ΔE: total 226.5, mean/step 0.888, max step 9.671, smoothness 0.291, speed 0.888

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 195.5; preserves order: yes
- Deuteranopia: ΔE total 180.7; preserves order: yes
- Tritanopia: ΔE total 186.3; preserves order: yes

## Related

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