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Hour 9. Creating Your Own Web Page Graphics > Reducing the Number of Colors

Reducing the Number of Colors

One of the most effective ways to reduce the download time for an image is to reduce the number of colors. This can drastically reduce the visual quality of some photographic images, but works great for most banners, buttons, and other icons.

In Paint Shop Pro, you can do this by selecting Colors, Decrease Color Depth. (Most other graphics programs have a similar option.) Choose 16 Colors (4-bit) when your image has very few colors in it. If the image has lots of colors (or the image doesn't look good when you try 16 Colors), select Colors, Decrease Color Depth, 256 Colors (8-bit) instead. The software will automatically find the best palette of 16 or 256 colors for approximating the full range of colors in the image.


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