How can I find a color scheme that is appropriate for color blind persons?

The first rule of making a palette for colorblind – avoid combining red and green. So if you're aiming to create a color blind-friendly palette try to use only two basic hues: blue and red (orange and yellow will also fit). The other colors should be made out of these two hues.

1. How do you make a color blind presentation friendly?

How do you make a color blind presentation friendly?

Use a colorblind-friendly palette when appropriate

One color used together in combination with another color is generally fine when one of them is not usually associated with CVD. For example, blue/orange is a common colorblind-friendly palette. Blue/red or blue/brown would also work.