Nothing
col2html = function(col, opacity=1, alpha){
colL=as.list(as.data.frame(t(col2rgb(col))))
colL$maxColorValue=255
colL$names = names(col)
if(missing(alpha)){
alpha = pmin(255,round(opacity*255))
} else {
if(is.character(alpha))
alpha = as.hexmode(alpha)
if(any(class(alpha)=='hexmode'))
alpha = as.integer(alpha)
}
if(any(alpha<255))
colL$alpha = rep_len(alpha,length(col))
do.call(rgb,colL)
}
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