November 16th, 2015, 09:31 PM  #1 
Banned Camp Joined: Aug 2011 Posts: 534 Thanks: 2  Contrast colors.
Which are the other contrast pair of colors other than Black & White contrast colors?. If yes, can these colors be evaluated for Zebra crossing on road?. Thanks & Regards, Prashant S Akerkar 
November 17th, 2015, 12:13 AM  #2 
Senior Member Joined: Apr 2014 From: UK Posts: 765 Thanks: 288 
Google. Think about colour blind people and other colours used where there's traffic. 
November 17th, 2015, 12:54 AM  #3 
Math Team Joined: Nov 2014 From: Australia Posts: 672 Thanks: 239  . This is a colour wheel with the primary (inner circle) and secondary (outer circle) colours shown. Any pair containing one secondary and one primary colour are contrasting colours if and only if they are on opposite sides of the figure. For example, blue and orange are contrasting colours. As are yellow and purple. 
November 17th, 2015, 06:17 AM  #4 
Global Moderator Joined: Nov 2006 From: UTC 5 Posts: 16,046 Thanks: 933 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms 
Prashant, it seems that you are not willing or able to post sensibly and ontopic. I'm giving you a nice long break. I hope you are able to find the answers you need elsewhere.

November 27th, 2015, 03:34 AM  #5 
Senior Member Joined: Nov 2015 From: usa Posts: 152 Thanks: 0 
That is a good question. Yes the picture above is very helpful. If you mix red and blue you get purple. If you mix red and yellow you get orange. If you mix yellow and blue you get green; Now you see how they are contrasting. All colors are produced by the three primary colors, blue, red and yellow. The equal parts of yellow, blue and red combined create black. yet white is the absence of color which was disputed at some time but true. You cannot make white from red, yellow or blue. Though pure white light can be broken down into the three primary colors from Newton's great invention the prism. which was stolen from him. Colors are listed in tones and shades, which incorporate different amounts of black or white mixed with these three different primary colors. There are also what are referred to as opposite colors, though I have never heard of opposite shaded other than black and white. I have never heard of opposite shades of gray or tone. Look up opposite colors also, but contrasting colors are mixed as listed above I hope this helps you. I come from a line of artists and engineers. 
November 27th, 2015, 03:39 AM  #6 
Senior Member Joined: Nov 2015 From: usa Posts: 152 Thanks: 0 
One funny fact. Zebras can only tell each other by smell. I guess there is to many stripes of opposite shades to tell them all apart. It is like a racist Joke. All zebras look the same. 

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black, colors, contrast, white., zebra 
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