International Colour Day (ICD) is celebrated on 21st March every year. International Colour Association adopted ICD in 2009.  On, this day, people participate in various colour related  activities such as art exhibitions, meetings, contests, workshops. Professor Meritxell Vilaseca, researcher at CD6 and President of the Colour Committee at SEDOPTICA, participated in a radio interview at RNE program called "Memoria de Delfín", regarding how the human eye perceives colour and the most common colour perception diseases.

You can listen the interview at:
https://www.rtve.es/television/20220314/dia-internacional-del-color/2309622.shtml