"Rianna Jade Parker on a new work from the artist’s first UK solo show"In her 2015 memoir Negroland, Margo Jefferson recounts her sheltered childhood among Chicago’s ‘coloured elite’ in the 1950s and ’60s – a position gained, in part, thanks to her class mobility, colourism and favourable physical features. Questioning her own subjectivity, external forces and the central tenets of her upbringing, Jefferson writes: ‘Privilege is provisional.