London

National Gallery – ‘Making Colour’, the first exhibition of its kind in the UK is on until 7 September as part of the ‘National Gallery Inspires’ programme. The exhibition takes you on a journey of artistic and scientific discovery and learning on how different materials were used to create pigments.

Bankside Gallery – ‘Watercolours & Prints’, a vibrant exhibition showcasing the best in contemporary watercolour and original prints is on until 7 September. You will find framed and unframed work for sale from artists belonging to Royal Watercolour Society and Royal Society of Painter-Printmakers.

National Portrait Gallery – ‘BP Portrait Award 2014’ showcases fifty-five of the most outstanding new portraits around the world and it is on until 27 September. Sponsored by BP, the Portrait Award is one of the most prestigious international portrait painting competitions.

Regional

Barn Gallery in Nottingham – ‘Summer Show’, features a selection of artists creating in a variety of styles and subjects promising a painting for any taste and collecting habits. The exhibition is on until 28 September.

Buxton Museum and Art Gallery in Buxton, Derbyshire – ‘The Derbyshire Open 2014’ showcases a selection of both amateur and professional artists and it is on until 5 September.

The Mercer Art Gallery in Harrogate – ‘Art and Yorkshire: From Turner to Hockney’, the exhibition explores the influence of Yorkshire on artists past and present and it is on until 12 October.

Royal West of England Academy in Bristol – ‘Back from the Front: Brothers in Art: John and Paul Nash’, the exhibition features painting, watercolours and drawings from private and public collections and it is on until 14 September.

Europe

Scuderie Del Quirinale in Rome, Italy – ‘Frida Kahlo’, showcasing the life and work of the Mexican artist Frida Kahlo, the exhibition is on until 31 August.

Rijksmuseum in Amsterdam, Netherlands – ‘Art as Therapy’ where British writers and philosophers Alain de Botton and John Armstrong will be focusing on the therapeutic effect of art by commenting on 150 artworks on display from the Middle Ages to the 20th Century. The exhibition is on until 7 September.