Fine Point #8: Using Transparency

When using GIFs you can make a single color value become transparent. Since images can only be rectangular in size, transparency is a way to get around this limitation. This only works with GIFs with backgrounds that are a single color value (if you notice little color specs in the background it will not work).

On a white or patterned background, this image would look awkward.

With a transparent background, the blue disappears and it appears the image is in the shape of the light bulb.

Here's how to do it with Home Page | Netscape Composer

This page was designed by Dan McDowell for the Triton and Patterns Projects of San Diego Unified School District. Last updated July 5, 1999.

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