col2hex <- function(col, alpha = FALSE) {
rgb <- col2rgb(col, alpha)
if (alpha) {
apply(rgb, 2, function(z) rgb(z[1], z[2], z[3], z[4], maxColorValue=255))
} else {
apply(rgb, 2, function(z) rgb(z[1], z[2], z[3], maxColorValue=255))
}
}
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.