Set or View the Graphics Palette in R Programming – palette() Function

In this article, we are going to see how to set or view the Graphic Palette in R Programming Language.

R – palette() Function

palette() function in R Language is used to set or view the Graphics Palette.

Syntax: palette(value)

Parameters:

value: an optional character vector. 

Example 1:

R

# R program to illustrate
# palette function

# Calling the palette() function
# to obtain the current palette
palette()

Output:

[1] "black"   "red"     "green3"  "blue"    "cyan"    "magenta" "yellow" 
[8] "gray"  

Example 2:

R

# R program to illustrate
# palette function

# Calling the palette() function
# to set 2 extra Graphics Palette
palette(c(palette(), "purple", "brown"))

# Viewing the final added Graphics Palette
palette()

Output:

[1] "black"   "red"     "green3"  "blue"    "cyan"    "magenta" "yellow" 
[8] "gray"    "purple"  "brown"  

Defining your own palettes

Here we will make our own palettes, for this, we will make the vectors along with hex triplets and R color names and then plot the chart with these color names.

R

colors <- c("#A7A7A7",
 "forestgreen",
 "gold")

pie(discoveries, col = colors)

Output: