J.J. Green
Continuous versions of Cynthia Brewer's sequential schemes.
cbcBlues
cbcBuGn
cbcBuPu
cbcGnBu
cbcGreens
cbcGreys
cbcOranges
cbcOrRd
cbcPuBu
cbcPuBuGn
cbcPuRd
cbcPurples
cbcRdPu
cbcReds
cbcYlGn
cbcYlGnBu
cbcYlOrBr
cbcYlOrRd