Use any of these tips at your own risk, I do not take any responsibility on the consequences.
There is exactly 216 colors in a cross-platform color palette. This means that if you want a picture to look the same on both platforms (Mac and PC), you should use this palette.
To find this palette, go to this website. This should also work in any multimedia presentation.
Be careful when using colors on the net or any multimedia format.
Make sure the colors you use for your text can be read on the background you choose to put it on. Some colors are harder to read on certain background colors or patterns.
Also, if the user's computer is set on 256 colors, the background color may be dithered so much that it makes it hard to read the text over it.
