--- a
+++ b/man/col2hex.Rd
@@ -0,0 +1,28 @@
+\name{col2hex}
+\alias{col2hex}
+\title{
+Converts color names with alpha to hex
+}
+\description{
+The function takes the color names as specified in colors() together
+with alpha levels and transforms it to hex representation. Optionally
+it can also name the returned vector by names provided by the user.
+}
+\usage{
+col2hex(cols, alpha=1, names=NA)
+}
+\arguments{
+  \item{cols}{character vector}
+  \item{alpha}{numeric, ranged 0-1}
+  \item{names}{character vector, default NA}
+}
+\value{
+numeric vector
+}
+\author{
+Małgorzata Oleś <dr.malgorzata.oles@gmail.com>
+}
+\examples{
+col2hex(cols=c("hotpink","skyblue"), alpha=0.5)
+col2hex(cols=c("hotpink","skyblue"), alpha=0.5, names = c("A","B"))
+}