February 27, 2026
Blue LED “Suicide Prevention Lights” at Japanese Train Stations Led to 84% Decrease in Suicides
At select train stations across Japan, commuters encounter a cool blue glow near the platform’s edge. The light feels soft but unmistakable. Officials installed these blue LED lamps, often at platform ends, to create a calmer atmosphere and with the hope of preventing suicide. The idea comes from color psychology. Researchers have linked blue tones to reduced agitation and increased feelings of calm.
