Below are the Gup ranks and associated belt colors for students 8 years old & up:

Gup Rank Belt Color
10th Gup White Belt
9th Gup White Belt with 1 Black Stripe
8th Gup Orange Belt
7th Gup Orange Belt with 1 White Stripe
6th Gup Green Belt
5th Gup Green Belt with 1 White Stripe
4th Gup Brown Belt
3rd Gup Brown Belt with 1 White Stripe
2nd Gup Red Belt
1st Gup Red Belt with 1 White Stripe
Cho Dan Bo
Black Belt Candidate
Dark Blue Belt