Graphing colors in Photoshop?

Long time user, first time poster. I'm curious if there is any way to graph out a series of color swatches in Photoshop? The way you can create a bar graph from a series of columns in a spreadsheet software, for example. Reason I'm asking, is that lately I'm doing more and more fine tuning of skin colors on photo closeups, and using the color sample tool to measure HSL across skin surfaces.
I've used gradient mapping in some occasions to smooth out color tones in certain areas. Having some visual tools to graph out things like saturation or luminance across a series of sampled points would be very useful imo. Sometimes I do this already in a spreadsheet software, but that can get time consuming.
thanks,
-d

Photoshop won't create labelled graphs, but Extended can export histogram data instead of you taking notes while measuring with the eyedropper or color samplers.
Histogram data for each channel of each selected region can be exported to CSV files. There's an optional filter plug-in that converts between RGB, HSB and HSL, putting the HSB or HSL values into RGB channels.
Info about measurements: http://help.adobe.com/en_US/photoshop/cs/using/WS7901119A-3EE7-4806-B5AF-1A6D58827A81a.htm l
HSBHSL:
http://helpx.adobe.com/photoshop/kb/plug-ins-photoshop-cs61.html#id_11682

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