----- Original Message ----- From: "Rob Smith" <rob.smith at thermon.com> Sent: Thursday, April 25, 2002 9:24 AM Subject: [thelist] Colors > Hi thelist, > > How many colors can the naked eye see? I know from experience that this number is very high. :) Given three primary colors (red, green, and blue) and that the human eye is capable of discerning at least a couple hundred different intensities each, that's a big number! But, Google makes a nice research aid for this sort of non-web related subject. http://www.google.com/search?hl=en&q=human+visual+acuity According to the cached page for the third link under... http://www.google.com/search?hl=en&q=human+eye+color+differentiation ...the number is over 6 million. -joshua <tip type="researching" author="Joshua Olson"> Try Google. http://www.google.com </tip>