How to reduce the depth of color and select a predefined palette?

Hello

I'm a Paint Shop Pro previous user who is now trying to transition to the CC in PhotoShop (version 2015.0.0).

For one of my typical tasks, I export a bitmap (bmp) of AutoCAD.  My AutoCAD drawing really doesn't have many different colors, but the exported bitmap turns out to have a depth of 24-bit color.  Paint Shop Pro has given me the opportunity not only to reduce the color depth of 8 bits, but it gave me the ability to load a "palette" which contained only the exact colors I wanted (which are really just what I considered grey, black, yellow, green, red, cyan and white 'standard').

When I loaded this 'pallet', all the colors of the original bitmap that does not exactly match one of the colors in the palette is converted to "closest match" in the palette.

The reason I do this is because my next step is to import the bitmap into another application that has some limitations that make the color depth higher all unwanted color "atypical" for what I am trying to accomplish.

If someone can tell me if / how I can do this in PhotoShop, I would be very happy.

Thanks in advance,

Paul

You can use the color of the Index. You can set the table of colors that you want to use, and have PS convert the colors in the closest values.

Tags: Photoshop

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