Colour Chart synthetic hair

We have differents colour rings regarding human hair extension, synthetic wigs and human hair toupees.
We have the "classic nuances", from black passing over lots of brown and blond tonalities, arriving to light blond; but we also have hair extension in "crazy colours": pink, fire red electric violet, blue, yellow and green. They allow to create a fashion look!
Synthetic wig's colour ring comprends more than 40 colours!
Toupees' colour rings comprends 12 nuances in 100% human hair.