Hi Pawel;
Yes, you can do that today. Here is a quick example ...
IDE Default in the Script Painter ...
Step# 1 - Assign a custom colour (if required) ...
1) Select the "Customer Colour Dialogue' while in the PowerScript Painter
2) Add the custom colour(s) that you need ...
Step# 2 - Enter the Script Painter's "Options" dialogue ...
Step# 3 - Select the "Coloring" tab in the Options dialogue and the PowerScript colour attribute you want to change ...
Step# 4 - Select the colour mechanism that you want to change & then assign it the Colour you want.
Step # 5 - Select the "Apply"or "OK" button & return to the Script Painter and see your choice setting in action ...
Step # 6 - Repeat the above steps as necessary for the other Script painter's colourization that you wish to change.
HTH
Regards ... Chris