Color perception is mediated by a plastic neural mechanism that is adjustable in adults by Jay Neitz and others (2002, 10.1016/S0896-6273(02)00818-8)

Neuron 35, 783–792. Colored-filter exposure over days and persistence of unique-yellow shifts for one to two weeks. Author manuscript: www.neitzvision.com/research/publications/publications/2002-Neitz-Color_perception_mediated_by_plasticity-Neuron.pdf.