Propose color palettes for the visualization that can work together while following accessibility requirements

[gissoo]

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[gissoo]

@rlskoeser @jhimpele

• I've organized the color options by numbers and put them into two separate groups: one where only the branches are colored and one where areas around the branches are colored instead.
• You can see the palette used for each version right above each page.
• I think group "Colored Branches" may be easier to work with for accessibility therefore I explored it more.

Here they are on Figma. – Let me know your thoughts and if there are any versions you like or absolutely dislike.

[jhimpele]

Nice choices @gissoo , I'm leaning toward 1, 5, and 6. 5 is leading for me, since if gives a couple bright colors that can stand out from the palette.

[gissoo]

This issue has been reviewed and the team seems to agree on color palette no. 5.