Question of the Day
The human eye can see a hundred shades of grey.
The human eye can detect different shades of grey depending on its brightness. 1% of brightness is enough for the human eye to recognise a different shade.
More »
Previous Questions of the Day
-
Which animal prepares gifts for potential mates?
Tuesday, 14 February, 12 -
What's digital retinal photography?
Monday, 13 February, 12 -
How many tons of mined gold are there in the world?
Sunday, 12 February, 12 -
Which language doesn't have the equivalent of the word "yes"?
Saturday, 11 February, 12 -
What makes a good dad?
Friday, 10 February, 12 - More Questions »
Web Results
www.bio.net/mm/bioforum/1995-July/015286.html
14 Jul 1995 ... >But there should be a set of colors, or more precisely, shades of one color, >on which ... The human eye can separate more than 64 grey-scales. ... considered by the printing industry for many years and an international committee (CIE, ... falls far short of human ability to see both shadows and highlights.
wiki.answers.com/Q/How_many_different_shades_of_grey_ca...
A healthy human eye can distinguish between 500 different shades of grey. ... Obviously, they can see all colours, and if you think about how many shades they ...
uk.ask.com/question/how-many-shades-of-gray-can-the-hum...
The human eye can see as many as ten million different colors. The human eye is capable of seeing any shade of gray. It varies from between 200 to 256 ...
www.dentalxrays.info/blog/more-50-shades-grey
13 Jun 2012 ... The human vision can only distinguish between 32-64 shades of grey at any time under ideal viewing conditions. What are ... How many lines can you see? Line ... Over time you will begin to develop more of an “eye” for subtle changes of grey tones thus increasing your ability to see more shades of grey!