A colour value is not in fact a class, but a long integer which contains the values of the red, green and blue components in a colour. A colour value may be passed to pen and brush creation functions, and also to some Grid member functions.
colour-create
colour-red
colour-green
colour-blue
long ( colour-create long red long green long blue)
long ( colour-create long parent-id string name) A colour value may be created either by passing red, green and blue values, or by passing a colour name such as RED.
long ( colour-red long colour)
Returns the red component of the colour, a number between 0 and 255.
long ( colour-green long colour)
Returns the green component of the colour, a number between 0 and 255.
long ( colour-blue long colour)
Returns the blue component of the colour, a number between 0 and 255.