Blue could also mean dark green, violet, black or brown. The ancient Greek word for a light blue, "glaukos", also could mean light green, grey, or yellow. The Greeks imported indigo dye from India, calling it indikon. They used Egyptian blue in the wall paintings of Knossos, in Crete, (2100 BC). It was not one of the four primary colours for Greek painting described by Pliny the Elder (red, yellow, black, and white), but nonetheless it was used as a background colour behind the friezes on Greek temples and to colour the beards of Greek statues. The Romans also imported indigo
Blue Is the Warmest Colour blue from her hair and adopts a more natural, conservative hairstyle. Reviewer Spencer Wolff noted the political stance adopted by Adèle, which changes as her life experiences change and reflect her alternating views: ""Blue is the Warmest Colour" is no different; at least, at first. Framed by black and Arab faces, Adèle marches in a protest to demand better funding for education. The music, "On lâche rien" ("We will never give up!"), by the Algerian-born Kaddour Haddadi, is the official song of the French Communist Party. Yet, soon after she begins her relationship with Emma, we see Adèle marching again,