One of my colleagues recommended I watch a video of cyborg artist, Neil Harbisson, who can actually listen to colors. He has been color blind most of his life but since 2004 he got a color sensor. The sensor changes the colors to audible frequencies through a chip which is installed at the back of his head in the bone. He can not only interpret the spectrum of colors but the color ranges out of human sight too.
I think it is unbelievable how he can distinguish the differences between color tones, and if he can hear so many tones of colors it’s amazing that he can compose based on that. Obviously he must be very talented in music as he can hear the differences between microtones. In the video he is explaining that when he enters to a shopping mall his head is full of different sounds as he interprets the surrounding activities.
Here’s a song he has composed based on the colors of fruits. I think this gives a good idea how he colors are matching to sound frequencies.