Pyrrole Orange PO73 - Artist Grade Handmade Honey Based Watercolor Tube 15ml Sketching Pencils Ultramarine Blue was originally made

Ultramarine Blue was originally made by grinding the semi-precious stone lapis lazuli into a fine powder

bright red is desired

It is lightfast and durable

meaning it maintains its original color intensity over time

Pyrrole Orange PO73 - Artist Grade Handmade Honey Based Watercolor Tube 15ml Sketching Pencils Ultramarine Blue was originally madePO73 CI#561170 (Pyrrole Orange) Series 3 Pyrrole Orange (PO73) is a bright, warm synthetic organic orange. It has a bright, warm orange hue with a yellow undertone. Its semi opaque quality offers good coverage while maintaining some transparency. It is lightfast and durable. Light Fastness: 8 8