Reference

All functions
cpt()	Function to return colour palettes functions from 'cpt-city'
cpt_names	Names of the 7140 color gradients of cptcity R Package
cptcity	A package to return colour gradients from CPTCITY
find_cpt()	Function to return colour palettes names
lucky()	Random colour gradient!
show_cpt()	Show me some colors!