A team of scientists believes they have discovered a new color outside the range of human vision. They named the color “olo” and describe it as an “unprecedented,” ultra-saturated, bluish ...

More information: Hiroaki Komatsu et al, Polarity-tunable dye-sensitized optoelectronic artificial synapses for physical reservoir computing-based machine vision, Scientific Reports (2025).

Tokyo University of Science. "Self-powered artificial synapse mimics human color vision." ScienceDaily. ScienceDaily, 2 June 2025. <www.sciencedaily.com / releases / 2025 / 06 / 250602155323.htm>.