Linear Green (Gr4L)

Summary

Linear Green (Gr4L) is a sequential colormap from paraview. Lightness rises monotonically from 0.22 to 0.99, hue sweeps 115° from azure to chartreuse, and order holds under all three colorblind…

Lab linear-lightness green ramp.

Perceptual profile (OKLCh)

• Lightness: 0.215 → 0.986 (range 0.770, min 0.215, max 0.986); monotonic; midpoint 0.585
• Chroma: min 0.020, max 0.206, mean 0.129
• Hue: 212.7° → 98.0° (span 114.7°), path monotonic-ccw; quadrants: azure, cyan, mint, green, chartreuse
• Endpoint temperature: cool → neutral
• Perceptual ΔE: total 105.9, mean/step 0.415, max step 1.395, smoothness 0.597, speed 0.415

Colorblind safety (ΔE under simulated CVD)

• Protanopia: ΔE total 98.3; preserves order: yes
• Deuteranopia: ΔE total 96.5; preserves order: yes
• Tritanopia: ΔE total 98.7; preserves order: yes

Related

• Family: paraview
• Source: ParaView / VTK — Kitware (presets curated by Moreland, Samsel et al.)
• Similar sequential maps: 2hot, Asymmetric Earth Tones, Black, Blue & White, Black-Body Radiation, Black, Orange & White, Blue-Green-Orange, ERDC Rainbow (bright), ERDC Rainbow (dark)
• All colormaps