Path: csiph.com!usenet.blueworldhosting.com!feeder01.blueworldhosting.com!border2.nntp.dca1.giganews.com!nntp.giganews.com!buffer2.nntp.dca1.giganews.com!buffer1.nntp.dca1.giganews.com!nntp.earthlink.com!news.earthlink.com.POSTED!not-for-mail NNTP-Posting-Date: Tue, 06 Sep 2016 00:48:24 -0500 Message-ID: <57CE58E6.6F6D@ix.netcom.com> Date: Mon, 05 Sep 2016 22:49:26 -0700 From: The Starmaker Reply-To: starmaker@ix.netcom.com X-Mailer: Mozilla 3.04Gold (WinNT; U) MIME-Version: 1.0 Newsgroups: sci.physics.relativity Subject: Re: Red, Blue and Green References: <57C4E58D.7E5A@ix.netcom.com> <57c6195b$0$1272$c3e8da3$1cbc7475@news.astraweb.com> <57C6662E.E58@ix.netcom.com> <57C67DBC.5458@ix.netcom.com> <57C70BCD.7344@ix.netcom.com> <57C9B010.1199@ix.netcom.com> <57CB16D6.5166@ix.netcom.com> <57CB3027.4A81@ix.netcom.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 46 X-Usenet-Provider: http://www.giganews.com NNTP-Posting-Host: 108.219.229.47 X-Trace: sv3-QpO/MzrSPetCGrlPb47DKgR4VVejnvP5Cbuw/UOseq/dXCwtFcXhQGKiUpO2QjDU1TbxlnWdik9Fj3o!jzySoZL/cJ0ml/jzoeHWTCOBXlF9Uf0UjxEuN2xlZaQq4NowPrZnsHhYO6yV88FdiAtuujTsWZ6S!5eUcPcIJmJU= X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 X-Original-Bytes: 2924 Xref: csiph.com sci.physics.relativity:391594 Thomas Heger wrote: > > Am 03.09.2016 22:18, schrieb The Starmaker: > > >>>>> 1. > >>>>> Art. a color, as red, yellow, or blue, that in mixture yields other colors. > >>>>> Compare complementary color (def 1), secondary color, tertiary color. > >>>>> 2. > >>>>> Optics. any of a set of monochromatic colors, as red, green, and blue, that are added to match or specify the chromaticity of a stimulus or sample. > >>>>> > >>>>> There above are Two primary colors > >>>>> > >>>>> 1.red, yellow, and blue > >>>>> > >>>>> 2.red, green, and blue > >>>>> > ... > >>>>> My question is...why are there two "primary" colors on earth? > > Answer: > 1.) subtractive mixture of colours above a white surface > 2.) additive mixture of light of different colour on a black background > > You can easily see the difference on your computer screen, if you use a > strong magnifying lens. > > Then you would see tiny dots in red, blue and green, which together > create the impression of white. > > If you subtract the colours, you use the opposite colours called yellow, > magenta and cyan, (which is roughly yellow red and blue). So, if you mix (yellow and blue) what color do you get, a subtractive color, a secondary color, or a primary color? > > ... > > > > If you buy a jar of White paint, (Red, Blue and Green mixed) and you add Blue...you get White. > > Definitely not !!! > > If you mix white and blue paint you get light blue. I was pretending "If you buy a jar of White paint, (Red, Blue and Green mixed colors of light) and you add Blue...you get White.