New to JMP? Let the Data Analysis Director guide you through selecting an analysis task, an analysis goal, and a data type. Available now in the JMP Marketplace!
Check out the HeatColor( value, <<theme ) function. It was originally named for a single theme that returned blue-to-gray-to-red representing cold to hot.
Also see GetColorThemeNames(). Both are in the scripting index for JMP 14, maybe earlier.