White background tend to be too bright for me, though hard to find alternatives for documents and articles. Black background good for programming, but need soft colors like cyan. For charts I like warm peach colour, sort of between but not being gray and dull, and black/red bars. Generally, not too bright or dark, not too dull and not too much contrasts. Use colours that "makes most sense to you".
What I do recommend is try for yourself, adjust those colours and imagine using them for lengths of time. If you are sensitive enough, you'll sense which colours are most soothing for you, and avoid the bad colour setups that don't work for you personally. There's a greater freedom choosing one's own colour preferences.
Another thing is to move while in chair. If your muscles tense in front of PC, you must find ways to relax those muscles, or you might get headaches and all sorts of pains. So shift your position, and find good sitting position / chair that support your straight back and allow movement. Best movement you can do is push shoulders backwards. You may notice we tend to tense shoulders and lean into screen, which must be counteracted.
Walks in the forest while swinging arms around may quickly help train those unused neck/back muscles you need.
What I do recommend is try for yourself, adjust those colours and imagine using them for lengths of time. If you are sensitive enough, you'll sense which colours are most soothing for you, and avoid the bad colour setups that don't work for you personally. There's a greater freedom choosing one's own colour preferences.
Another thing is to move while in chair. If your muscles tense in front of PC, you must find ways to relax those muscles, or you might get headaches and all sorts of pains. So shift your position, and find good sitting position / chair that support your straight back and allow movement. Best movement you can do is push shoulders backwards. You may notice we tend to tense shoulders and lean into screen, which must be counteracted.
Walks in the forest while swinging arms around may quickly help train those unused neck/back muscles you need.