A question that has received remarkably little empirical attention is whether colour trends reflect the prevailing sociocultural lifestyle conditions of a society. This is exemplified by such assertions as the austerity of the War years was accompanied by sombre colours. The presumed existence of order to colour consumption and a causal association between it and sociocultural lifestyle conditions provides the theoretical underpinnings to the work of colour forecasting agencies. The present study investigated this question by examining changes in Australian residential interior colours over the twentieth century. Colour palettes were assembled decade by decade and an analysis was undertaken using the NCS system. The results indicate that th...