2. what is colour ?
The property possessed by an object
of producing different sensations on
the eye as a result of the way the
object reflects or emits light.
26. hue
"what color is that?"
The property of color that we are actually
asking about is "hue". For example, when
we talk about colors that are red, yellow,
green, and blue, we are talking about
hue. Different hues are caused by
different wavelengths of light.
27. chromaticit
high
chroma
achromatic
This property of color tells us how pure a hue is. That
means there is no white, black, or grey present in a
color that has high chroma.