EFFECTS OF CHROMATIC COLOUR LIGHTING ON WORK EFFICIENCY (PO53, Pages 476-479)

The use of LED lighting has become widespread. LED light sources are manufactured in the primary colours of red, green, and blue, and are able to reproduce most chromatic colours. Chromatic colour lighting is considered to have physical and psychological effects on humans. Therefore, the aim of this study is to investigate the work efficiency affected by chromatic colour lighting. White, red, green, blue, yellow lighting were used in this experiment and six different tasks were conducted. The result is suggested that White and yellow lighting are suitable for thinking work, and green lighting is suitable for creative work.