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Focused lab for deuteranopia (M-cone loss). Compare models, inspect chromaticity shifts & confusion lines, measure ΔE across severities, and simulate images.

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Base color
Model & settings
Anomaly severity 80%
Image simulation
JPG/PNG (max 1200×1200). Simulated canvas next to original.
Research notes
Deuteranopia is a colour-vision deficiency caused by functional loss of M-cones. Brettel and Viénot provide analytic projections, while Machado-like blends allow smooth severity ramps. ΔE2000 is included to compare perceptual differences rather than geometric distance alone. Not a clinical diagnostic.
Swatches — Reference vs Deuteranopia
Reference
HEX: — • RGB: — • xy: —
Deuteranopia
HEX: — • RGB: — • xy: —
ΔE76
—
ΔE2000
—
Deep preview
Reference
Simulated
Chromaticity (CIE xy)
Confusion line
Deutan confusion point: —
Image simulation

Models operate in linear sRGB. ΔE2000 computed locally. Chromaticity visualizes D65 xy shifts and the deutan confusion axis for explanatory purposes.

Cone channel weights