Daniel Smith Extra Fine Watercolor - Quinophthalone Yellow (PY138) 15 ml

Item: 284 600 223, Pigment: PY138, Lightfastness: Very good, Semi-transparent, Low-staining, Non-granulating. 

A clean, bright yellow. Because it's low staining, you can paint with it full strength and pull the color back to almost paper white. This is a great color to have in your palette.