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I’m trying to find a method for determining whether to use black or white text, given a background color (as a hex value). Has anyone dealt with this before? Is there an effective way to do this?
In my case, I would be using PHP to implement the logic (though any experience with this in other languages is welcome).
Take a look at this page: Calculating Color Contrast with PHP
Keep in mind that if black and white are your only choices you’re bound to have cases where neither of them works particularly great.