Blue is the invisible becoming visible

HOMES in the SKY - Blue is the invisible becoming visible. Blue has no dimensions, it is beyond the dimensions of which other colours partake. Yves Klein Yves Klein / Aline Gagnaire

Middle Moments - a-n The Artists Information Company

Notes on the colour blue

Y is for yearning: share your artwork now, A to Z of Readers' Art

What was it with Yves Klein and Blue?, art, Agenda

Still Blue - Exhibition at Blueproject Foundation in Barcelona

New book 'On Color' by David Scott Kastan and Stephen FarthingYale University Press London Blog

ARTIST Q&A: BAU-XI GALLERY ARTISTS ON A DEEPER SHADE OF BLUE – Bau-Xi Gallery

Q & A with Artist and Designer Sara Emami – Beklina