Neospector:
What you are talking about is the decor layer. It can be accessed by pressing the "B" key
Neospector:
The console is accessed by the key above your TAB key. It can also can be "¬" or "`"
jenn4:
press b to get decoration editor and do alt click on that element what color you wanna and paint that what you wanna to be coloured.
jenn4:
How do you change color with console