ERDC Icefire (H)

Summary

ERDC Icefire (H) is a diverging colormap from paraview. Two arms meet at a pivot of lightness 0.92, hue sweeps 235° from blue to red, and order holds under all three colorblind simulations.

ERDC SciVis icefire — high-saturation variant.

Perceptual profile (OKLCh)

• Lightness: 0.004 → 0.078 (range 0.917, min 0.004, max 0.920); non-monotonic; midpoint 0.917
• Chroma: min 0.002, max 0.176, mean 0.118
• Hue: 264.1° → 52.4° (span 234.9°), path folded; quadrants: blue, azure, cyan, mint, green, chartreuse, yellow, orange, red
• Pivot: t 0.502, lightness 0.920, hue jump 62.2°, smoothness 0.623
• Endpoint temperature: null → warm
• Perceptual ΔE: total 241.9, mean/step 0.949, max step 2.615, smoothness 0.600, speed 0.949

Colorblind safety (ΔE under simulated CVD)

• Protanopia: ΔE total 202.5; preserves order: yes
• Deuteranopia: ΔE total 207.1; preserves order: yes
• Tritanopia: ΔE total 222.3; preserves order: yes

Related

• Family: paraview
• Source: ParaView / VTK — Kitware (presets curated by Moreland, Samsel et al.)
• Similar diverging maps: Blue Orange (div), Cold and Hot, Cool to Warm, Cool to Warm (Extended), ERDC DivHi PurpleGreen, ERDC DivLow IcePeach, ERDC DivLow PurpleGreen, ERDC Icefire (L)
• All colormaps