Generate a Vector of specified length with each element as a unique color on RB scale in RGB spectrum in R Language – cm.colors() Function Last Updated : 01 Jul, 2020 Improve Improve Like Article Like Save Share Report cm.colors() function in R Language is used to generate a Vector of specified length with each element as a unique color on RB scale in RGB spectrum. This function also returns the hexadecimal code of the colours available. This hexadecimal code is of eight digits. This is because the last two digits specify the level of transparency (where FF is opaque and 00 is transparent). Syntax: cm.colors(n) Parameters: n: desired length of the returned color vector Example 1: # R program to illustrate # cm.colors function # Calling cm.colors() function cm.colors(2) cm.colors(4) cm.colors(6) Output: [1] "#80FFFFFF" "#FF80FFFF" [1] "#80FFFFFF" "#BFFFFFFF" "#FFBFFFFF" "#FF80FFFF" [1] "#80FFFFFF" "#AAFFFFFF" "#D5FFFFFF" "#FFD5FFFF" "#FFAAFFFF" "#FF80FFFF" Example 2: # R program to illustrate # cm.colors function # Using cm.colors() function to # plot 6 different color barplot(1:6, col = cm.colors(6)) Output: Like Article Suggest improvement Previous Comparing values of data frames in R Programming - all_equal() Function Next Generate a Vector of specified length with each element as a unique color on RG scale in RGB spectrum in R Language - terrain.colors() Function Share your thoughts in the comments Add Your Comment Please Login to comment...