I'm not sure 100% what you actually need but in that link it looks like list items 11, 12 and 13 would affect coloring. 11 turns things to gray scale maybe offering some contrast differences. 12 would allow you to affect colors in general, again changing the settings here might give you some contrast differences. 13 allows you to reverse the colors which I would imagine would turn white backgrounds and black fonts to reverse but I'm not sure how deep that would go. So would it affect text in the browser, or in an app? I'm not sure playing with them is probably going to be the way to find what will best fit your needs.
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