Reducing colors vs reducing color depth

It is very likely that you will be working with colors when converting your raster images to vector. As such, it is important to know the difference between reducing colors and reducing color depth.

See Also: Why you need to reduce colors on raster images, Color depth

 

Before After reducing colors to two
Before After reducing color depth to two

Although they have the same visual effect on a raster image, reducing colors and reducing color depth are quite different.

 

The example below shows the colors used in a grayscale image such as the “Before” illustration above. The example below has a color depth of 256 and all 256 colors are in use.

 

After reducing colors to two the image still contains 256 potential colors but only two of them, black and white, are in use.

 

After reducing color depth to two the image only contains two colors.

This means that the image is much smaller.

 

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