# cpt-city: cb/seq/Greys_06 (cpt)
#
# Harrower, M., & Brewer, C. A. (2003). ColorBrewer.org:
# An online tool for selecting colour schemes for maps.
# Cartographic Journal, 40(1), 27-37.
#
# author: Cynthia Brewer, Mark Harrower
# copyright: Apache-style
# year: 2002
# url: https://phillips.shef.ac.uk/pub/cpt-city/cb/seq
0 247/247/247  1 247/247/247
1 217/217/217  2 217/217/217
2 189/189/189  3 189/189/189
3 150/150/150  4 150/150/150
4    99/99/99  5    99/99/99
5    37/37/37  6    37/37/37