Opaque is dense and light blocking, like a rock. Tint Mass Ult. Mass Burnt Sienna Mass Cad. MMCC, Blocks French Ultramarine Blue, translucent 27. Translucent These are the colors to mix to make a neutral dark from Blue and Yellow pigments.
Yellow pigments range from yellow to brown.
The band itself can change from clear transparent to opaque white while in the center, the second band range is transparent yellow crystal, than brown, than blue. From brown to blue, the crystal can change into an aggregate and lose it's crystal properties.