Because cone cells on retina let you see colour.
The color of light that we see is determined by its wavelength. Different wavelengths of light correspond to different colors that we perceive.
Actually the color is unknown you might see several different colors but if it was moving and you looked in a different direction you will see green 100% true.
Objects appear a certain color because they reflect or absorb certain wavelengths of light. The color we see is the result of the wavelengths of light that are reflected back to our eyes. Different materials interact with light in different ways, which is why objects have different colors.
Different animals have different kinds of color vision. Some have very poor color vision and others have very good color vision. In fact some birds and bees have super color vision and see colors that humans don't see.
a phrase meaning 'another matter entirely' or ' a different matter altogether. see http://www.answers.com/topic/a-horse-of-a-different-color
When an object is in sunlight, it reflects some of the light that hits it. The color we see is the result of the reflected light waves. Different colors are absorbed by the object, and the color we see is the light waves that are reflected back to our eyes.
Things have color because of the way they interact with light. Different materials absorb and reflect light in different ways, which creates the colors we see.
purple-the nucleus' color has not yet been "for sure" determined. the nucleus has no specific color because different scientists see it differently through different microscopes. also the color of the nucleus depends on the textbook , book , newspaper or internet page you are looking at.
Cones in the eye allow us to see color. They are photoreceptor cells that are sensitive to different wavelengths of light, enabling us to distinguish between and perceive different colors in our environment.
If you can see if more than just a tiny bit, you need to adjust your tension on top. It should be even. The best way to test it is to use 2 different color threads and then a different color fabric. Stitch a straight line, then look to see what color you see on each side.
A hyperlink, or link for short, is that clickable text you see on a webpage that is usually a different color than the rest of the text.
By how much each light frequency is absorbed by the eye