John Barbur
John Barbur is a vision scientist at City St George’s, University of London, who has expressed skepticism about claims of a newly discovered color. He recently commented on a study that suggested the existence of a color called 'olo,' arguing that it is not a new color but rather a more saturated green resulting from specific visual stimulation.
Not in the pool (under ¢1).
Recent news mentions
Vision researcher John Barbur disagrees and claims the work has limited value.
Forskare har upptäckt en ny färg kallad ”olo”
Sweden· 2025-04-24
John Barbur, a vision scientist at the University of London, expressed confusion over the claim of a new color.
Phát hiện màu sắc mới gây tranh cãi
Vietnam· 2025-04-20John Barbur, a vision scientist at City University, told the newspaper, adding that the scientists’ work had 'limited value'.
Olo: Scientists claim to have discovered new colour
New Zealand· 2025-04-20Prof John Barbur, a vision scientist at City St George's, University of London, commented on the research as a 'technological feat'.
Scientists claim to have discovered 'new colour' no one has seen before
United Kingdom· 2025-04-19
John Barbur is a vision scientist at City St George’s, University of London, who expressed skepticism about the claim of a new colour.
Hue new? Scientists claim to have found colour no one has seen before | ScienceUnited Kingdom· 2025-04-18