There are literally hundreds of artist quality watercolours available from many brands. I have tested many of them and created swatches as seen on the right. The square box is painted into a damp
Turquoise Watercolour Swatches - Jane Blundell - Artist
Jane Blundell Artist
Set of Aquarius watercolor paints, Jane Blundell - Roman Szmal - 24 colors
Buildings and Landscapes - Jane Blundell - Artist
Mixing Turquoise in Watercolor
Buildings and Landscapes - Jane Blundell - Artist
Characteristics of Watercolour - Jane Blundell - Artist
Miscellaneous Watercolour Swatches - Jane Blundell - Artist
Jane Blundell Interview on Watercolour - Jackson's Art Blog
Jane Blundell Artist: Sennelier Watercolours - full range
Painted Watercolour Swatches - Introduction - Jane Blundell - Artist
Jane Blundell Artist Schmincke Gouache Swatches Farver Billede
Miscellaneous Watercolour Swatches - Jane Blundell - Artist
Abstract watercolours - Jane Blundell - Artist