蜜芽传媒

Why do we see colours so differently? In recent weeks Twitter followers have been debating passionately whether tennis balls are green or yellow. One study from the US even suggests that men and women see colours differently - with men less proficient than women when it comes to shades. We speak to Stephen Westland, professor of colour science and technology at the University of Leeds, and Jules Standish, personal style and colour consultant and lecturer at the London College of Style.

(Image: Tennis balls. Credit: Getty Images)