Earlier this week Dutch medieval book historian Erik Kwakkel stumbled upon a gorgeously illustrated 1692 tome devoted to the art of mixing watercolors in an online database from the Bibliothèque ...

Create over 100 vibrant watercolour mixes and paint a range of inspiring botanicals including flowers leaves seedheads and bulbs with award winning artist and colour mixing guru Julie Collins Why so ...

Take the mystery out of colour mixing with this innovative watercolour card deck from award winning artist and colour mixing expert Julie Collins Simply hold the cards up to the subject you want to ...