これ↓
■ 参考 : Gnuplotting/gnuplot-palettes
ここに乗ってるサンプルの配色例↓
使い方は
load 'hoge.pal'
hoge.palを自分が使いたいものに置き換えればOK例えばbrbg.palの中身はこんな感じ
これを直接 ~/.gnuplot に書き込んでおいてもOK
# line styles for ColorBrewer BrBG
# for use with divering data
# provides 8 colors with brown low, white middle, and blue-green high
# compatible with gnuplot >=4.2
# author: Anna Schneider
# for use with divering data
# provides 8 colors with brown low, white middle, and blue-green high
# compatible with gnuplot >=4.2
# author: Anna Schneider
# line styles
set style line 1 lt 1 lc rgb '#8C510A' # dark brown
set style line 2 lt 1 lc rgb '#BF812D' # medium brown
set style line 3 lt 1 lc rgb '#DFC27D' #
set style line 4 lt 1 lc rgb '#F6E8C3' # pale brown
set style line 5 lt 1 lc rgb '#C7EAE5' # pale blue-green
set style line 6 lt 1 lc rgb '#80CDC1' #
set style line 7 lt 1 lc rgb '#35978F' # medium blue-green
set style line 8 lt 1 lc rgb '#01665E' # dark blue-green
# palette
set palette defined ( 0 '#8C510A',\
1 '#BF812D',\
2 '#DFC27D',\
3 '#F6E8C3',\
4 '#C7EAE5',\
5 '#80CDC1',\
6 '#35978F',\
7 '#01665E' )
