I've made a paired boxplot from the following data manage natcode sites variable value F Y MF1 PESUKmedian F Y MF2 PESUKmedian F Y MF3 PESUKmedian F Y MF4 annualmedian M Y MM1 annualmedianChange Theme The ggplot2 package provides some premade themes to change the overall plot appearance With themes you can easily customize some commonly used properties, like background color, panel background color and grid lines # Change the ggplot theme to 'Minimal' ggplot (ToothGrowth, aes (x=factor (dose), y=len, fill=factor (dose fill Please specify the color you want to use for your violin plot Type colors () in your console to get the list of colors available in R programming # Change Colors of a R ggplot Violin plot # Importing the ggplot2 library library (ggplot2) # Create a Violin plot ggplot (diamonds, aes (x = cut, y = price)) geom_violin (fill = "seagreen Ggplot2 Box Plot Quick Start Guide R Software And Data Visualization Easy Guides Wiki Sthda R boxplot color by factor ...