I'm not suggesting an explosion of 'candy button colors', but I think it would be better if some of the icons are BRIGHTER when they are enabled
for better visibility.
For example - the Light Table Activated/Inactivated icon in the Layer Panel : could that icon be BRIGHTER when enabled so it's easier to see ?
Current icon when enabled in the 'Acier' color scheme -

Proposed BRIGHTER icon:

