You might like Left Right Grey / Blue on Pink John Hoyland 1971 Grey / Blue on Green John Hoyland 1971 Black on Mauve Grey Sir Terry Frost 1968 Grey Gordon House 1961 Painted Unit Relief Matt Rugg 1963 Yellow Attenuation Peter Sedgley 1965 1967 (Tuscan relief) Ben Nicholson OM 1967 Feb 55 Ben Nicholson OM 1955 Two Forms (White and Yellow) Dame Barbara Hepworth 1955 Rotational Circles Michael Kidner 1960–4 Wavy Stripe: Green, Blue, Orange, Red Michael Kidner 1966 Diagonal Grey Relief Peter Lowe 1974