PGPLOT Module: PGQCR -- inquire color representation

SUBROUTINE PGQCR (CI, CR, CG, CB)
INTEGER CI
REAL CR, CG, CB

Query the RGB colors associated with a color index.

Arguments
CI (input) : color index
CR (output) : red, green and blue intensities
CG (output) in the range 0.0 to 1.0
CB (output)