What's My ΔE(OK) JND?

keithcirkel.co.uk · sebg · 1 day ago · view on HN · non-security
quality 1/10 · low quality
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AI Summary

This is a color perception game that measures a user's Just Noticeable Difference (JND) threshold for color changes using ΔE (Delta E) color space metrics. It is not related to cybersecurity, hacking, or bug bounty hunting.

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What's My ΔE(OK) JND? What's My ΔE OK JND? Your friend's score: You see two colours. Click on the line between them. That's it. It starts easy. It does not stay easy. Each round the colours get closer together until we find your Just Noticeable Difference - the smallest colour change you can actually see. It takes about 40 rounds. Most people land around 0.02. You might do better. You probably won't. But hey, prove me wrong. Let's go What is this? Read the post. Round 1 ΔE OK — Your ΔE OK JND Share result Again. I can do better. Read the post about this.