Daniel Smith Extra Fine Watercolor - Phthalo Blue (GS) 15 ml

Item:284 600 077, Pigment: Phthalocyanine Blue PB 15 (74160), Lightfastness rating: Excellent, Transparent, Staining, Non-granulating. 

For cool, clean staining shadows and reflected light on windows. Super staining, super transparent Phthalo Blue is a popular pure chroma organic pigment.