More consistency fixes for outline/separator colors

Akseli Lahtinenrequested to merge
work/akselmo/set-frames-less-intense into master

A lot more consistency fixes for outline/separator colors that became more noticeable when changing the intensity value.

Can be merged after !395 (merged)

Note: for testing, the colors are set to be very bright to find out any discrepancies

Edited by Akseli Lahtinen

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