Microsoft has a great explanation of what colors one should use in their presentation slides (these principles hold true no matter what platform you use).
Colour choice is very important because you don’t want the colours to clash or blend too much. You want the right amount of contrasting colours so that your presentation is easy to read.
For instance, you wouldn’t want to use:
You want to use contrasting colours like:
Read this great article about choosing the right colour.
