One tip to remember is to use only dark colored text on a white or neutral colored background, as it is the easiest to read, and will not distract your readers. (artfulpublications.com)
This is especially noticeable with colored text and graphics. (displaymate.com)
Most of us use color text editors that display different elements such as keywords, variables, functions, fields, values, etc., in different colors to make them easier to recognize. (goodereader.com)