Re-Sharing our Ultramarine Blue, Cobalt Blue and Cerulean Blue

Pigment Stories: Cobalt Pigments - Jackson's Art Blog

Cerulean Blue - 40ml – The Supreme Paint Company

Handmade Watercolors Blue Set 12 Color Set Smalt, Phtalo, Ultramarine, Cerulean, Azure, Cobalt, Indigo - Canada

Blue Watercolor John Lovett Artist

Favorite Paint Mixtures: Cerulean Blue — Elizabeth Floyd

Pigment Colour Index: Blue Pigments - Jackson's Art Blog

Cobalt Blue: Exploring different brands and shadow mixes - Liz Steel : Liz Steel

The Paris Review - A Brief History of Ultramarine—The World's Costliest Color

Vibrant Blue Pottery Pigments, Now With Less Cobalt

Palette share! What are your favorite and least fav pigments currently in yours? I love my little tin ☺️ : r/Watercolor

Dive Into the Mysteries of Blue Paints – debi riley

A Plein Air Painter's Blog - Michael Chesley Johnson: New Blog Series on Color, Part 6: Blue

Blue Watercolour Swatches - Jane Blundell - Artist

Jane Blundell Artist: Watercolour Comparisons 8 - Blues