ehhhhh, this is probably better solved with T7190. I don't think there is much (any?) benefit to a global color, as teams usually want visual indication of which workboard they are on (so differentiation matters).

Why do you want to set a global default background? What is the root problem you're currently encountering?

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I suspect the goal could be to provide visual hints, in addition to the text, to recognize and disambiguate dashboards.

My understanding is the feature request would be to set a global color instead of white. If all workboards are red or blue or whatever, I don't think it provides any additional hints. I suspect the use case here is @rphl just really likes a specific color and wants them all that color. Which is cool, but we ultimately want teams to choose different colors so they can know which workboard they're on at a quick glance.

We ultimately want teams to choose different colors so they can know which workboard they're on at a quick glance.

Yes, I concur, that would be useful.