We recently added the node highlight element used when searching for node to highlight its position. Whilst I very much dislike the flashing effect I went with for it (and we will be changing), it does mean the hardwork was done to be able to draw a containing box around any node. Making use of that when selected:

I've updated the selected node appearance via #5623 (without the colour changes). Once that's in, lets update this branch and then we can do battle over which shade of blue we use.

Hey @knolleary these are both addressed!

1. The contrast of selected-vs-unselected toggle buttons - for eg the tab buttons:
2. The selected node appearance. The blue takes getting used to, which I'm prepared to do - but I think it needs something else. I'm going to experiment on this and share some ideas.

For 2 - I went ahead and changed the workspace-button-color-selected to #0d74ce - this passes 4.14:1 on the selected button background. It also mirrors the change we did for dark theme under #5625

Not liking the blue icons. I'm going to be opinionated here and push some tweaks - I'll leave the blue alone.

• revert the workspace-button-color-selected change
• darken the background of the selected state. Improves the contrast between states without leaking blue ink.

I spotted the fix from #5607 was applying to all tabs and needed scoping to just the workspace tabs. Have pushed that fix here.