I suppose reflected light matches better with the ambient, while with emitted light this is difficult to get. Matchng both, brightness and color. Also, I don't

I suppose reflected light matches better with the ambient, while with emitted light this is difficult to get. Matchng both, brightness and color. Also, I don't like to read on white background (neither screen or paper), and on the computer nowadays the more usual background is white... I like yellowish backgrounds.