A GIMP color palette (to use with Inkscape, etc) that is "user friendly" for color blind people, based on palette by Masataka Okabe and Kei Ito.
GIMP Palette
Name: colorblind_grayscale
Columns: 3
# Based on http://jfly.iam.u-tokyo.ac.jp/color/image/pallete.jpg
0 0 0 seq_OrRd_4_01
42 42 42 seq_OrRd_4_01
165 165 165 seq_OrRd_4_02
230 159 0 seq_OrRd_4_02
167 167 167 seq_OrRd_4_03
86 180 233 seq_OrRd_4_03
133 133 133 seq_OrRd_4_04
0 158 115 seq_OrRd_4_04
219 219 219 seq_OrRd_4_05
240 228 66 seq_OrRd_4_05
96 96 96 seq_OrRd_4_06
0 114 178 seq_OrRd_4_06
119 119 119 seq_OrRd_4_07
213 94 0 seq_OrRd_4_07
144 144 144 seq_OrRd_4_08
204 121 167 seq_OrRd_4_08