Tests to see if two colors are equal.
color
colors= color1 color2 &optional tolerance => bool
| color1⇩ | 
A color specification. | 
| color2⇩ | 
A color specification. | 
| tolerance⇩ | 
A tolerance level within which color1 and color2 may vary. The default value is  0.001s0. | 
| bool | tif the two colors are equal within the given tolerance,nilotherwise. | 
The function colors= return t if color1 and color2 are equal, within the tolerance tolerance.
CAPI User Guide and Reference Manual (Unix version) - 01 Dec 2021 19:33:10