bathymetry color palettes
#000000
#000000
#000000
#000000
#000000
#000000
#000000
#000000
#000000
#000000
#000000
#000000
#000000
#000000
#000000
#94E8FF
#FFF2BB
#F4F7F6
#C9E5EC
#BCC3C2
#AC9F93
#D6C3AB
#E7D3BC
#EFD9C0
#CBB8A3