You can do that easily enough with the Map Transform. You'll need a line for 0 - 90, 90 - 91, 91 - 92, etc. Pay particular attention to how the ( ) and [ ] and ( ] and [ ) works.
You'll need to get the hex values for each of the colors. (It would be very handy if Perspective supported HSL color formats as you could bind the hue to your value and run with a fixed saturation and lightness.) There are many, many tools on the web for this. Here's one: WorkWithColor color blender although it only gives eight steps.
