heftig@beehaw.orgtoProgramming@programming.dev•The Absolute Minimum Every Software Developer Must Know About Unicode in 2023 (Still No Excuses!)
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1 year agoYou’re actually seeing mouse pointers of other people having the page open. It connects to a websocket endpoint including the page URL and your platform (OS) and sends your current mouse position every second.
That’s a tool to help application developers figure out how something looks to color-blind people, so the developers can correct their presentation. It doesn’t resolve color ambiguities for color-blind people by itself.
For example, in the case of the image here, it turns everything into different shades of yellow, with both ends of the color gradient just being “dark yellow”. Now it’s clearly ambiguous to people with normal vision, as well.