With several smartphone manufacturers incorporating some variation of a blue light filter, calling it things like: night mode, night light, eye comfort, and blue filter, the feature was bound to become popular among power users. Whatever the name may be, they all do the same thing: blue and white tones are filtered out and replaced with warmer tones anywhere between amber and yellow. We are sensitive to blue light, which keeps us up late at night. Softer amber tones are also less harsh to our eyes when we view our smartphones in complete darkness. In macOS latest version of...
Source: http://www.gsmarena.com/night_shift_coming_to_macos_spotted_in_latest_beta-news-22961.php
