-999: 255 255 255 0
0:  255 255 255  0

2: 255,255,0
10: 255,201,0
20: 255,132,0
30: 255,33,0
40: 255,0,102
50: 255,0,255

#brewer YlOrRd 7 levels
#2:255,255,178
#3:254,217,118
#10:254,178,76
#15:253,141,60
#20:252,78,42
#30:227,26,28
#50:177,0,38

#ver1 brewer 2:255,255,178
#5:254,204,92
#10:253,141,60
#25:240,59,32
#50:189,0,38

#brewer YlGnBu
#50:255,255,204
#40:199,233,180
#30:127,205,187
#20:65,182,196
#15:29,145,192
#7:34,94,168
#3:12,44,132

#2:  green
#20: yellow
#40: orange
#60: red
#80: magenta

#80: 158,1,66
#70: 213,62,79
#60: 244,109,67
#50: 253,174,97
#25: 254,224,139
#20: 255,255,191
#15: 230,245,152
#10: 171,221,164
#5: 102,194,165
#2: 50,136,189
#1: 94,79,162

##220916
##2:  blue
##5: green
##15: yellow
##30: orange
##50: red