Yup, there's just a single national flag on earth without any of these common colors. Can you guess what it is?

Their flag is the most progressive and inclusive, therefore making the 7-striped and simplified 5-color Sunset Lesbian flags one of the most common lesbian flags you’ll see today.

The transgender pride flag was created in 1999 by Monica Helms and features five stripes with three unique colors. Here's what they mean.