From the manufacturer:
StarBrite Deep Violet is a dark purple color that is very bold and vibrant.
It saturates well in the skin with ease. When mixing with white, you can achieve beautiful lighter tones of purple.
You can also receive good blends when using this color with Lavender and Purple Purps.
Deep Violet works extremely well when doing themes, traditional, realistic, floral, and Japanese tattoos
Gauge Size
The gauge size is the circumference of the smaller bar in the middle.