Introducing border between adjacent elements

[gvnmagni]

Following a wider conversation regarding colors, I would suggest to introduce borders between adjacent elements in order to improve readability and to make it simpler to tell apart visual shapes in charts.

We already do this in partition charts for examples (pies, donuts, treemaps...) but we don't do it in stacked barcharts, it would be great to evaluate the feasibility of this and the potential consequences

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1. [Colors] Default color palette #2512
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2. [Colors] High contrast color palette #2513
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[nickofthyme]

One thing we might run into with this is similar to the minBarHeight that sort of defies the scaled representation of the bar. This would be especially problematic when many bars are cluster in a small height to where the border eats into the height so much that the bar vanishes. I think we cross that bridge when we get there just wanted to make a note.

Is this also applied to the horizontal space between dodged bars?

[gvnmagni]

Valid point which has been in my head for a while. One potential approach that we can use is to apply this kind of visual features only when the high contrast more is turned-on, in that case I feel we can potentially assume that the main need of users it to tell apart elements, therefore we do our best to facilitate it.

But that's only an option, let's have a proper conversation about all this