Something you should know to choose images for transparency

Although there are many tools for us to make transparent images, it is very important to choose the original images for good viewing. A good original image will make us more easy to clean the background, and eliminate the noise around the image.

Nice	Bad	Clear Outline Clear outlines will prevent us to fill within the object when filling colors in the background. This will save us many time to describe the outline of a object.
Nice	Bad	Simple Background The simpler is the better. This make it easier to fill the background with the same color using fill tool.

Suitable Color of the Background

The background color or pattern used in pages must to be similar to the original color. This will prevent the noise and color area around the object. The following table show the effect of different original backgrounds when they become transparent.

	Original	The page with dark color	The page with light color
Light image background		Bad	Nice
Dark image background		Nice	Bad