How to create custom color spectrum from an array and then relate that color spectrum to a separate data set

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Zachary Ferrie 2019-6-26

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https://ww2.mathworks.cn/matlabcentral/answers/469052-how-to-create-custom-color-spectrum-from-an-array-and-then-relate-that-color-spectrum-to-a-separate

Hi all,

I need to create a custom color spectrum that fades between the colors of a stoplight (red, yellow, green).

I need to create this color spectrum based on a log scale of 0.1 for red, 1 for yellow, and 10 for green.

Then I would like to take that color spectrum and use it to color an x/y, 2D dot plot where I compare my data array to the color spectrum array to see where the data lies between 0.1 - 10 and plot it as that color accordingly.

Thank you all for the help,

Zach

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