0:255,255,255,0
#### color brewer 9 class spectral Top red low  blue
##40:213,62,79
##35:244,109,67
##30:253,174,97
##25:254,224,139
##20:255,255,191
##15:230,245,152
##10:171,221,164
##5:102,194,165
##3.5:50,136,189


#rainbow http://192.168.39.106/chub/_legendgen.html?min=0&max=100&steps=10&colors=lime,green,yellow,orange,red,magenta&u=mm
3.5: 0,255,0
10: 0,192,0
20: 0,128,0
30: 128,192,0
40: 255,255,0
50: 255,210,0
60: 255,165,0
70: 255,83,0
80: 255,0,0
90: 255,0,128
100: 255,0,255