DEM Sepia Visualization

//DEM Sepia Visualization
//VERSION=3
return colorBlend(DEM, [-12000,-9000,-5000,-1000,-500,-200,-50,-20,-10,0,10,30,50,200,300,400,500,1000,3000,5000,7000,9000], [
[0.000, 0.000, 0.000],
[0.020, 0.008, 0.000],
[0.059, 0.031, 0.008],
[0.098, 0.055, 0.016],
[0.137, 0.078, 0.024],
[0.176, 0.102, 0.031],
[0.235, 0.137, 0.039],
[0.314, 0.184, 0.055],
[0.353, 0.208, 0.063],
[0.392, 0.227, 0.067],
[0.431, 0.251, 0.075],
[0.510, 0.298, 0.090],
[0.549, 0.322, 0.098],
[0.627, 0.369, 0.110],
[0.706, 0.416, 0.125],
[0.784, 0.459, 0.137],
[0.843, 0.494, 0.149],
[0.882, 0.518, 0.157],
[0.922, 0.541, 0.161],
[0.961, 0.565, 0.169],
[0.980, 0.576, 0.173],
[1.000, 0.588, 0.176]])