[R] RGB components of plot() colours

[Duncan Murdoch]

On 12-07-10 9:05 AM, (Ted Harding) wrote:
> A quick question:
>
> Is there anywhere a listing of the RGB components of the
> named colours listed by colors()?
>
> For example, where would I find the RGB for "orange1"
> or "salmon"?
>
> When I look at an EPS file from R where I have used
> these colours, it seems that for:
>
> "salmon":
> 0.9804 0.5020 0.4471 rgb
>
> "orange1":
> 1 0.6471 0 rgb
>
> However, this is a tedious way of finding out!

col2rgb("salmon")
       [,1]
red    250
green  128
blue   114

Those need to be divided by 255 to get the colours on the 0-1 scale.

Duncan Murdoch