Belt System at East Coast Martial Arts

Here's the belt system at East coast Martial Arts

no belt
White
Yellow
Orange
Orange Senior (orange with black stripe)
Green
Blue
Purple
Purple Senior
Brown
Brown Senior
Red
Red Senior
Black

Deb's Response:

Thanks for letting us know about your belt system. Do you have to take a belt test for your white belt?

I've seen purple belts before but never knew where they fitted into the ranking system - thanks for that!