Accent color

[RobVermeer]

Feature description

We probably should use (if we don't already) accent color, so all the native accent colors are inline with our colors.

Additional context

See https://twitter.com/Una/status/1506383666548822020

[glenngijsberts]

@Marruk WDYT? Should we go with the brand color?

[Marruk]

I vote for the action color since we use that one for all the interactive stuff