Requires a Light Base Paint Recommended Base Paint: White Base Interior Flat Wall PaintGris 31 the medium grey of the first color collection.This shade is already brighter and more luminescent. The color looks elegant and restrained. It is stable and dynamic in any light. It can cause walls to become more shaded and lightens up surrounding areas. Le Corbusier combines gris 31 (as basic color of his mood ��Checkered I��) with nuances of red ochre & brown of umbers with the other grey shades and with two red shades.����