For his second collection of 1959 Le Corbusier defined another powerful shade of orange: orange vif is visually striking but warm. It is (like red and yellow) a luminous perceived color most effective in full light.Orange vif is visually striking warm and three-dimensional.With an increased proportion of yellow orange vif emerges and loses luminescence in the shade. A portion of gray has a fundamentally opposing effect.Orange vif is a strong dulled shade that marks the area and is also clearly recognizable in shadow.