Umber is a conundrum, a rusty riddle of a colour. A cross between the deep ... paintbox of art history and the dramatic chiaroscuro of Caravaggio’s canvases and the meditativeness of Rothko ...

An official logo depicting Caravaggio's portrait and enclosed within a palette has been launched to complement these activities. Sergio Benedetti, chief curator at Ireland's National Gallery ...

"It was clear it was a work by Caravaggio," she told AFP at the time. For her, the evidence was ample: from "the head of Christ" to the glow of his torso, the colour of his cloak and "the three ...