three types

• Categorical
• Sequential
• Diverging

Continuous colours

1. where you need continuation use virdis - https://cran.r-project.org/web/packages/viridis/vignettes/intro-to-viridis.html
2. use sequential from - https://gka.github.io/palettes/#/9|s|00429d,96ffea,ffffe0|ffffe0,ff005e,93003a|1|1

Different colours

1. use d from https://gka.github.io/palettes/#/9|d|00429d,96ffea,ffffe0|ffffe0,ff005e,93003a|1|1
2. divergent from - https://www.heavy.ai/blog/12-color-palettes-for-telling-better-stories-with-your-data

Palettes I liked

1. green-orange-violet-red
   1. #5D9C4B
   2. #E8A93B
   3. #705F98
   4. #D1495B
2. Google fonts colours
   1. #EF675C
   2. #5AB973
   3. #FAB200
      1. #FED662
   4. #2060E8
      1. #659EF5

Explore Further

1. RAL
2. HKS
3. COPIC
4. PRISMA COLOR