Active links and read link colors not colorblind friendly

[bsclifton]

Carried over from brave/browser-laptop#7842

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From community https://community.brave.com/t/active-links-and-read-link-colors-not-colorblind-friendly/1787

cannot see any difference in the colors used for an active click-able link I have never visited, and one I have. It would be very helpful if the default colors were shifted farther apart (visited links darker than unvisited links by at least 10%).

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Let's beat Chrome with a color-blind friendly delta.

If we move towards a turquoise blue, the effect is much more visible in all 3 color blindness types:

I suspect the blue-to-purple standard was chosen to prevent adding extra attention to links unfairly even though you had already visited them. If this becomes a problem, we may need to add color-blindness accessibility mode.

visible delta with green-blue adjustment shown in 3 major colorblindness tests:

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the magic color for visited links shown in the images above is: #00997c