<i>I usually don&#x27;t get annoyed at fans wearing rose-tinted glasses</i><p>You realize that darkly tinted rose colored glasses would actually work better than f.lux?<p>(I know because I have a narrowband 470nm filter and I&#x27;ve looked at screens under f.lux, and there is often significant blue light coming out of very red looking screens. It doesn&#x27;t take much to suppress melatonin secretion, especially with prolonged exposure.)