Xref: utzoo sci.electronics:3872 rec.audio:8398 Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!nrl-cmf!ukma!gatech!uflorida!haven!ncifcrf!nlm-mcs!adm!cmcl2!rna!dan From: dan@rna.UUCP (Dan Ts'o) Newsgroups: sci.electronics,rec.audio Subject: Re: Looking for Blue LEDs Keywords: blue blue blue, not yellow or red or green Message-ID: <262@rna.UUCP> Date: 23 Sep 88 03:25:53 GMT References: <1138@nmtsun.nmt.edu> <862@ritcv.UUCP> <255@rna.UUCP> <4422@lynx.UUCP> <871@ritcv.UUCP> Reply-To: dan@rna.UUCP (Dan Ts'o) Organization: Rockefeller University Neurobiology Lines: 9 In article <871@ritcv.UUCP> cep4478@ritcv.UUCP (Christopher E. Piggott) writes: > >Question: why are R.G.B. monitors Red, GREEN, blue, when GREEN is not one of >the primary colors (being a combination of blue and yellow)? Why shouldn't >it be red, YELLOW, blue? You are confusing additive colors with subtractive colors. Yes, if you add blue paint to yellow paint, you get green paint. But if you add red light to green light, you get yellow light, not brown paint.