An explanation of how the unique characteristics of two reds, two blues and two yellows can offer you a broad range of harmonious colour mixes.
They say that you can get any colour from mixing the three
Why Use a Limited Watercolor Palette? (And which Colors to Choose
Mixing Colors with Da Vinci Summer Watercolor Set — Da Vinci
Jackson's - Watercolour Catalogue - 2018 by Jackson's Art Supplies
Colour Mixing: The Versatility of a Six Colour Primary Palette
Thomas Jefferson Kitts, Blog: Color my World
Royal Talens Van Gogh Watercolor Pocket Box Set, Michaels
Jackson's - Oil Colour Catalogue - 2016 by Jackson's Art Supplies
Colour Mixing: The Versatility of a Six Colour Primary Palette - Jackson's Art Blog
Swati Singh Art, Blog
pigment colour index Archives - Jackson's Art Blog