A Golden Rule?
It is a rule to stick to if you want to lighten your area. Nevertheless, if you want to give a sense of volume to your room, paint the back wall in the darkest shade.
Clear ceiling to compensate
Constantly for the sake of light, if you decide to have a dark wall, allow your ceiling white: it will offset the dark side produced by the dark wall.
Location a horizontal window
The optimization of all-natural light into a space obtaining different colors is achievable in different approaches: either by offsetting the light absorption of a roof window or skylight windows by arranging for overhead lighting.
Note: even so, for these two remedies, you must be on the leading floor of the creating.
Dig a roof window
Better than a plain ceiling, which just return the light from a common window, roof window allows you much more fancy in your option of shade, as it compensates for the lack of brightness.
Focus overhead lighting
The overhead lighting, that is to say from the best, is a good remedy to have a area with colorful walls which however remains clear. This lighting can be achieved, for illustration, from skylights (window partitioned into a number of small glass mirrors).