High Contrast

Summary

High Contrast is a 5-color categorical colormap from tol. Its colors span lightness 0.00–1.00 and chroma 0.00–0.14.

5-class high-contrast qualitative palette.

Perceptual profile (OKLCh)

• Lightness: 0.000 → 1.000 (range 1.000, min 0.000, max 1.000); monotonic; midpoint 0.582
• Chroma: min 0.000, max 0.141, mean 0.080
• Hue: 0.0° → 0.0° (span 189.1°), path monotonic-cw; quadrants: blue, red, yellow
• Endpoint temperature: null → null
• Perceptual ΔE: total 144.8, mean/step 36.207, max step 44.666, smoothness 0.834, speed 1.000

Colorblind safety (ΔE under simulated CVD)

• Protanopia: ΔE total 124.2; preserves order: yes
• Deuteranopia: ΔE total 128.7; preserves order: yes
• Tritanopia: ΔE total 131.7; preserves order: yes

Related

• Family: tol
• Source: Paul Tol, "Colour Schemes" (SRON/EPS/TN/09-002)
• Similar categorical maps: Bright, Dark, Discrete rainbow, Land Cover, Light, Medium Contrast, Muted, Pale
• All colormaps