I am quite new to mathematica and I am searching for a way to create a smooth colormap based on the samples given by http://colorbrewer2.org/ . Is it possible to create a interpolated function from those sample points?!
I enter RGB values in a matrix using Ctrl+, and Ctrl+Enter (tutorial):
Then create a color function
And use it:
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If these are the RGB values of the color scheme:
you can blend them in this way: