Yellow-Gray-Blue
Summary
Yellow-Gray-Blue is a diverging colormap from paraview. Two arms meet at a pivot of lightness 0.98, hue sweeps 244° from red to azure, and order breaks under protan, deutan, and tritan simulation.
55-point Lab yellow-gray-blue diverging.
Perceptual profile (OKLCh)
- Lightness: 0.279 → 0.957 (range 0.702, min 0.279, max 0.981); non-monotonic; midpoint 0.534
- Chroma: min 0.013, max 0.176, mean 0.070
- Hue: 17.0° → 224.3° (span 244.1°), path folded; quadrants: red, orange, yellow, chartreuse, violet, blue, azure
- Pivot: t 0.326, lightness 0.981, hue jump 0.4°, smoothness 0.690
- Endpoint temperature: warm → cool
- Perceptual ΔE: total 254.9, mean/step 1.000, max step 7.138, smoothness 0.379, speed 1.000
Colorblind safety (ΔE under simulated CVD)
- Protanopia: ΔE total 238.8; preserves order: no
- Deuteranopia: ΔE total 231.3; preserves order: no
- Tritanopia: ΔE total 236.3; preserves order: no