They are: rainbow(), lors(), lors(), lors() and cm.colors(). R programming offers 5 built in color palettes which can be used to quickly generate color vectors of desired length. We can see this in the following example. If the number of colors provided is less than the number of bars, the color vector is recycled. We can color each bar of the barplot with a different color by providing a vector of colors. We can specify in the range 0 to 255 with the additional argument max=255.
Getting hex colors in logoist 3 code#
This function returns the corresponding hex code discussed above. The function rgb() allows us to specify red, green and blue component with a number between 0 and 1.
Where the RR is for red, GG for green and BB for blue and value ranges from 00 to FF.įor example, #FF0000 would be red and #00FF00 would be green similarly, #FFFFFF would be white and #000000 would be black.
We define a color as a 6 hexadecimal digit number of the form #RRGGBB. Instead of using a color name, color can also be defined with a hexadecimal value. You can color your plot by indexing this vector.įor example, col=colors() is the same as col="yellow3". This returns a vector of all the color names in alphabetical order with the first element being white. "antiquewhite4" "aquamarine" "aquamarine1" "antiquewhite1" "antiquewhite2" "antiquewhite3" We use the following temp vector to create barplot throughout this section.