Emulating colour-blindness

Color Oracle logoJust a quick one… I wanted to have an easy way to check on screen how things like web pages look to people with different kinds of colour-blindness.

I downloaded a free emulator called Color Oracle, which works really well. It is lightweight, and available for Mac, Windows and Linux. You just switch it on and off, and your whole screen is affected. A mouse movement or click will disable it, but you can still take screengrabs (see below), which is pretty cool. You can also set up keyboard shortcuts to switch views on.

Here’s a view of the BBC News homepage with the red / green (deuteranopia) emulator activated. Nice!

BBC News page viewed through red / green colour-blindness emulator from Color Oracle


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