Pharaoh cuttlefish they can show a mottled white and brown color, with a center circle of brown. The mechanism for color is the same in the Pharaoh cuttlefish as it is in other cuttlefish. This colour-changing function is produced by groups of red, yellow, brown, and black pigmented chromatophores above a layer of reflective blue and green tinted iridophores and leucophores, with up to 200 of these specialized pigment cells per square millimeter. These sacs of color are controlled by rings of muscle around the sac. The cuttlefish expands and contracts these muscle rings in order to show different colors. It is
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,