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color-js / color.js

Color conversion & manipulation library by the editors of the CSS Color specifications
https://colorjs.io
MIT License
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Demonstrate JND with colours that are different #538

Closed perey closed 5 days ago

perey commented 1 month ago

The "Color differences" page in the docs illustrates the Just Noticeable Difference (JND) with a pair of identical colours. This patch changes one of them slightly.

I don't know what the original intention was, although I assume that there being no difference isn't deliberate. So I went with a change that meant that ΔΕ > 2.3 for two of the three algorithms demonstrated. My thinking was that this gives the reader a chance to judge these algorithms (and/or the 2.3 threshold) against their own ability to see a difference.

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facelessuser commented 1 month ago

It does seem silly to ask the reader if two identical colors look the same...because of course they do. It seems like a good idea to alter the colors to be slightly different, but visually hard to distinguish.

svgeesus commented 5 days ago

I don't know what the original intention was,

Probably a "copy, paste, got distracted, thought I was done" operation. Thanks for fixing!!