[R] Selecting complementary colours

[John Fox]

Dear r-helpers,

I wonder whether, given the "#rrggbb" representation of a colour, there is a
simple way to select the complementary colour, also expressed as a "#rrggbb"
string.

Any suggestions would be appreciated.

John

--------------------------------
John Fox, Professor
Department of Sociology
McMaster University
Hamilton, Ontario
Canada L8S 4M4
905-525-9140x23604
http://socserv.mcmaster.ca/jfox