Color List 2

special cells in the retina at the back of the eye that enable us to distinguish hues in daylight

the inner surface of the back of the eye, where rods and cones respond to qualities of light

light-sensitive cells in the eye that operate in dim light to distinguish values

any type of gum, paste, glue, or cement that promotes cohesion of pigment particles in a continuous layer, so that the layer will be strong and durable enough to withstand the service required of it

the chemical agent which imparts color to most paints and inks; coloring powder dispersed and suspened in its vehicle in which it is relatively insoluble

medium or tempera. the inert liquid in which pigment is carried insolubly (as in most paints and inks), or in which a dyestuff is soluble

the psychological tendency to see colors as we think they are rather than as we actually perceive them. often we automatically compensate for changes in lighting

the value of the object itself, excluding any effects of light

refers to the natural hue of an object unmodified by adding light, shadow or any other distortion

permitting the transmission of light without noticeable scattering of light waves, so that an object can be seen through it clearly, as, for example, clear glass. additionally, transparency is a photographic film positive which is viewed by transmitted light.

partially transparent. permitting the transmission of light but with some scattering of light waves, so that an object can be seen through it but not clearly, as, for example, etched or frosted glass

also known as pointillism. the juxtaposition of tiny dots of unmixed paints, giving an overall effect of color when mixed optically by the viewer's eye from a certain distance; usually associated with the post-impressionists of the 19th century

the illusion of color and shape produced in the visual apparatus after staring a a strong color for some time. a positive after-image is the same color as the original; a negative after image is its complementary color