0 Black      0.   0.   0.
 1 Gray04     0.04 0.04 0.04
 2 Gray08     0.08 0.08 0.08
 3 Gray12     0.12 0.12 0.12
 4 Gray16     0.16 0.16 0.16
 5 Gray20     0.20 0.20 0.20
 6 Gray24     0.24 0.24 0.24
 7 Gray28     0.28 0.28 0.28
 8 Gray32     0.32 0.32 0.32
 9 Gray36     0.36 0.36 0.36
10 Gray40     0.40 0.40 0.40
11 Gray44     0.44 0.44 0.44
12 Gray48     0.48 0.48 0.48
13 Gray52     0.52 0.52 0.52
14 Gray56     0.56 0.56 0.56
15 Gray60     0.60 0.60 0.60
16 Gray64     0.64 0.64 0.64
17 Gray68     0.68 0.68 0.68
18 Gray72     0.72 0.72 0.72
19 Gray76     0.76 0.76 0.76
20 Gray80     0.80 0.80 0.80
21 Gray84     0.84 0.84 0.84
22 Gray88     0.88 0.88 0.88
23 Gray92     0.92 0.92 0.92
24 Gray96     0.96 0.96 0.96
25 White      1.00 1.00 1.00
26 Red        0.7  0.   0.
27 Green      0.   0.7  0.
28 Blue       0.   0.   0.7
29 Yellow     1.   1.   0.3
30 Cyan       0.   0.7  0.7
31 Magenta    0.7  0.   0.7
32 DGray      0.3  0.3  0.3
33 LGray      0.7  0.7  0.7
34 LRed       1.   0.3  0.3
35 LGreen     0.3  1.   0.3
36 LBlue      0.3  0.3  1.
37 Brown      0.7  0.7  0. 
38 LCyan      0.3  1.   1.
39 LMagenta   1.   0.3  1.