Hello!
I would like a way to easily copy color RGBA/HSLA values between programs and inside MAT. Current color picker interface looks like this and has a few issues.
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All the values are split into four individual numbers which makes it hard to copy them between, for instance, different layers is Asset Texturing. There are swatches, which are great but get a bit busy in a more complex project
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There is no hex code either, as has been suggested elsewhere.
Therefore, a color GUI with a hexcode/another way to input values would be appreaciated.
Justification
I understand this might be more of a niche thing in terms of use cases outside of, say, accurate brand colors representation, I do think, however, that it would be a nice QoL feature. Comfort. 
Implementation Details
This is what a similar UI looks in Photoshop and in Davinci. But I think the version I like the most is what happens in Blender: you simply hover a mouse over your color field (in MAT’s case, that would be the color square) and press Ctrl + C to copy the color and you can paste it anywhere in the program where there is also a color field like that. Works for lighting, nodes, brush colors, the lot.
Thank you kindly for considering!