Returns the HSV values for a given R color name
Arguments
- color
vector of any of the three kinds of R color specifications,
i.e., either a color name (as listed by colors()), a hexadecimal string of
the form "#rrggbb" or "#rrggbbaa" (see rgb), or a positive integer i
meaning palette()[i].
Value
A matrix with a column for each color. The three rows of the matrix
indicate hue, saturation and value and are named "h", "s", and "v"
accordingly.
Examples
col2hsv("yellow")
#> [,1]
#> h 0.1666667
#> s 1.0000000
#> v 1.0000000
