Rouge, bleu, mauve et vert – red, blue, yellow and green – are the colors in which Tunisian rugs are woven and it is a photo essay by Valter Vinagre, in black and white. The work was carried out in Kairouan, Tunisia, the first time that Valter Vinagre was in that country, in May 2015, during a residency organized by the Delegation of the European Union and included in the 'second residency of Euro-Maghrebian photographers'.