Comments on: Where does “Blue” end and “Red” begin? http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/ Sat, 06 Sep 2008 04:41:36 +0000 http://wordpress.org/?v=2.3.3 By: bot http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-354 bot Thu, 10 Jul 2008 21:12:52 +0000 http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-354 cool site , thanks cool site , thanks

]]> By: mp http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-300 mp Sun, 25 May 2008 04:29:16 +0000 http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-300 Here’s a 3D visualizer for the data and some screenshots: http://www.box.net/shared/qbunsqy0og The script requires Python and the Panda3D engine. It uses the modified data set (data2.csv) posted by Nick. Use the left mouse button to pan and the right mouse button to zoom. It’s pretty easy to change the scale and orientation of the axes in the code. Improvements are welcome. Here’s a 3D visualizer for the data and some screenshots:

http://www.box.net/shared/qbunsqy0og

The script requires Python and the Panda3D engine. It uses the modified data set (data2.csv) posted by Nick. Use the left mouse button to pan and the right mouse button to zoom. It’s pretty easy to change the scale and orientation of the axes in the code. Improvements are welcome.

]]> By: Teresa http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-86 Teresa Wed, 26 Mar 2008 22:55:50 +0000 http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-86 I have a friend who is blind. If some of the extraneous colors were deleted and this could be printed out somehow for a blind person, this would be very, very useful. I have a friend who is blind. If some of the extraneous colors were deleted and this could be printed out somehow for a blind person, this would be very, very useful.

]]> By: Alex http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-80 Alex Tue, 25 Mar 2008 09:11:35 +0000 http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-80 George said "Are you aware of the NIST list of 500+ color names? http://fire.nist.gov/fds/color_table.html" That's not quite what you think - the naming style and a least a large number of the names appear to be based on the X11 color name list, which was itself not very scientifically constructed. It's also based on RGB device-coordinates, which isn't very stable. I worked up my own table in 1994 or so, yielding http://www.talisman.org/~erlkonig/software/pub/xcms-rgb.xcmsdb with about 10000 colors based on variants of 24 basic hues with 2 more between each of those (so orange, orange-goldenrod, goldenrod-orange, goldenrod, goldenrod-yellow, etc), 9 steps towards white (pastels), 12 steps towards black, and 4 steps towards gray. And the whole X11 database, some symbolically-named colors, and a few extra. Using RGBI (emission- instead of device-coordinates, to some extent) allow for using CMS for color correction, so that 0-255 had subjectively even steps instead of tending to be bunched near the brighter end. Anyway, I'm thinking reviewing my 24 hue names in light of the research set should be interesting, but perhaps the results of my project from back then would be useful to someone else :-) George said “Are you aware of the NIST list of 500+ color names?
http://fire.nist.gov/fds/color_table.html”

That’s not quite what you think - the naming style and a least a large number of the names appear to be based on the X11 color name list, which was itself not very scientifically constructed. It’s also based on RGB device-coordinates, which isn’t very stable.

I worked up my own table in 1994 or so, yielding http://www.talisman.org/~erlkonig/software/pub/xcms-rgb.xcmsdb with about 10000 colors based on variants of 24 basic hues with 2 more between each of those (so orange, orange-goldenrod, goldenrod-orange, goldenrod, goldenrod-yellow, etc), 9 steps towards white (pastels), 12 steps towards black, and 4 steps towards gray. And the whole X11 database, some symbolically-named colors, and a few extra. Using RGBI (emission- instead of device-coordinates, to some extent) allow for using CMS for color correction, so that 0-255 had subjectively even steps instead of tending to be bunched near the brighter end.

Anyway, I’m thinking reviewing my 24 hue names in light of the research set should be interesting, but perhaps the results of my project from back then would be useful to someone else :-)

]]> By: Chris http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-79 Chris Tue, 25 Mar 2008 04:05:27 +0000 http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-79 If you liken the Color Label Explorer to a map of China and Mongolia, you get Tibet if you type in "blue," Mongolia if you type in "green," and Xinjiang (homeland of the Uyghurs) if you type in "aqua." "Red" will get you that southeastern region around Guangdong and Hong Kong. I know, it's kind of a strange way to look at it, but I've had kind of a strange day. If you liken the Color Label Explorer to a map of China and Mongolia, you get Tibet if you type in “blue,” Mongolia if you type in “green,” and Xinjiang (homeland of the Uyghurs) if you type in “aqua.” “Red” will get you that southeastern region around Guangdong and Hong Kong.

I know, it’s kind of a strange way to look at it, but I’ve had kind of a strange day.

]]> By: jacko http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-76 jacko Mon, 24 Mar 2008 15:22:46 +0000 http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-76 Couldn't find baby-shit green! Couldn’t find baby-shit green!

]]> By: Melatonina http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-75 Melatonina Sun, 23 Mar 2008 06:47:09 +0000 http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-75 Babypoop color? heheheh Babypoop color? heheheh

]]> By: Ibo http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-73 Ibo Sat, 22 Mar 2008 04:34:30 +0000 http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-73 Just failed some color-tests so my flight license (in the UK/EU) will be restricted to flight during day time. The test were named Ishihara plates, Beynes latern test and Holmes Wright latern test. Never new about these test and neither about having a color vision deficiency/deviation. Some other approved test are available at flight authorities in switzerland, Germany and France. If one passes one of those (or USA or Australian ones) one can fly unrestricted within EU-airspace! --- I wander what is most confusing: some slight color deviations or EU-regulations... Just failed some color-tests so my flight license (in the UK/EU) will be restricted to flight during day time. The test were named Ishihara plates, Beynes latern test and Holmes Wright latern test. Never new about these test and neither about having a color vision deficiency/deviation. Some other approved test are available at flight authorities in switzerland, Germany and France. If one passes one of those (or USA or Australian ones) one can fly unrestricted within EU-airspace!

— I wander what is most confusing: some slight color deviations or EU-regulations…

]]> By: Paul Kay http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-69 Paul Kay Thu, 20 Mar 2008 17:26:50 +0000 http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-69 Brendan, it seems like no one else shared my confusion, so let's forget it. BTW, cool stuff. Stuart Robinson, you're right that in the earliest work (Basic Color Terms. Berlin & Kay. 1969) we gave people names and asked them to indicate the corresponding color chips (in a fixed array), but in the later World Color Survey we presented color chips individually for naming. Check out http://www.icsi.berkeley.edu/wcs/ if you're interested. For one thing, you'll see the palette of chips used, and we still used that on the "show me the best example of ..." task. Brendan, it seems like no one else shared my confusion, so let’s forget it. BTW, cool stuff.

Stuart Robinson, you’re right that in the earliest work (Basic Color Terms. Berlin & Kay. 1969) we gave people names and asked them to indicate the corresponding color chips (in a fixed array), but in the later World Color Survey we presented color chips individually for naming. Check out http://www.icsi.berkeley.edu/wcs/ if you’re interested. For one thing, you’ll see the palette of chips used, and we still used that on the “show me the best example of …” task.

]]> By: Lee http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-68 Lee Thu, 20 Mar 2008 15:09:39 +0000 http://blog.doloreslabs.com/2008/03/where-does-blue-end-and-red-begin/#comment-68 Apart from colour blindness in males, women also have a greater range of colour perception than men - up to 6 colour receptors instead of the usual 3 - and greater variation. Apart from colour blindness in males, women also have a greater range of colour perception than men - up to 6 colour receptors instead of the usual 3 - and greater variation.

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