Graphics — engineering articles by Suman Debnath

A colour swatch card entering a glass lens and emerging visibly shifted and darkened on the other side.

24 August 2026·6 min read

three.js r152 re-tints every colour written before it

Since three.js r152, ColorManagement.enabled defaults to true, so new THREE.Color(0xADC1DE) converts sRGB to linear before reaching the shader. Red loses proportionally more than blue, so colours picked against older releases drift violet. Nothing errors — the scene simply renders a different colour than the hex you wrote.

three.js
WebGL
Colour

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three.js r152 re-tints every colour written before it

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