color [function]

color( real r[, real g[, real b[, real a ]]])

create a color value from 1 to 4 real values

• if one argument is given, it is used for all components
• if two arguments are given, argument 1 is used for R, G and B, argument 2 is used for A
• if three arguments are given, they're used for R, G and B; 1 is the value of A