Since no one else has chimed in, and since it's my project to mentor, I'll add my two cents:

On Mon, Jun 11, 2018 at 5:27 AM, Saksham Gupta shucon01@gmail.com wrote:

Hello everyone,

I am working on the theme generator project and I'm facing a problem regarding contrast ratios of text colour and background. I way to solve this issue is by using mix-blend-mode, but according to https://caniuse.com/#feat=css-mixblendmode , there are still compatibility issues. So should I go ahead with it, and if so, what should be the fallbacks?

Saksham and I discussed this a bit in chat, but to bring the conversation back to email the summary of the current situation is that he would like to allow the automated generation of some contrasting text color picker as part of the theme generator. The CSS functionality isn't fully supported by browsers yet.

After some discussion, I believe we've found a good solution. The user will have the option to manually input these color values, and by using the automated aspect we'll show a checkbox with a warning like "Enabling this will use some CSS features that may not be supported in all browsers. See https://caniuse.com/#feat=css-mixblendmode for details." The shortcoming only affects Microsoft IE and Edge, and Opera browsers.

In the future, we can remove the warning when the other browsers finish adding support for this functionality.

Regards Saksham Gupta

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