Negative tone: Negative tone tends to make the reader feel angry and defensive, and may damage your professional image. ... Negative tone can also makes your message difficult to understand and remember. Neutral tone: Neutral tone is the absence of positive or negative language. Neutral tone has no feeling—just the facts.

A negative image is a total inversion, in which light areas appear dark and vice versa. ... Film negatives usually have less contrast, but a wider dynamic range, than the final printed positive images. The contrast typically increases when they are printed onto photographic paper.