How to make this

Hi, looking for a constant intensity RGB color table to use with a RGB LED. In R, I'd generate a color sequence like this: p=colorRampPalette(c("blue","cyan","green","yellow","red"))(255);data=data.frame(red=substr(gsub("#","",p),1,2),green=substr(gsub("#","",p),3,4),blue=substr(gsub("#","",p),4,5)...
By: quatch

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