Categories / colors
Adding Color to Points on a Map to Denote Values of Another Variable: A Practical Guide for R Users
Creating a Bar Plot with Rainbow-like Gradient Color using Plotly: A Customizable Approach
Specifying Multiple Fill Colors for Points in ggplot2: A Step-by-Step Guide
Customizing Colors in Plotly Pie Charts: A Flexible Approach
Colouring Plots by Factor Variables in R with ggplot2: A Comprehensive Guide
Customizing ggplot2 Output: Color, Appearance, and More