This function creates colors of class RGB; a subclass of the virtual
color-class class.
Usage
RGB(R, G, B, names)
Value
An object of class RGB which inherits from class color.
Arguments
R, G, B
these arguments give the red, green and blue intensities of the
colors (the values should lie between 0 and 1). The values can be provided
in separate R, G and B vectors or in a three-column
matrix passed as R.
names
A vector of names for the colors (by default the row names of
R are used).
Author
Ross Ihaka
Details
This function creates colors in the linearized sRGB color space (IEC
standard 61966).