Do you think a color exist that you do not see right now? What do you think it would express?
Bees can see colors into the ultraviolet. Pit vipers can "see" into the infrared. Birds and primates are not all that special.
I'm color blind, so green & blue look the same, among others. But I remember that I'm wearing a green shirt & blue pants, & that gf told me they look OK together .............
Colors do express mood. A crimson sunset, or golden sunrise. The blue sky. etc. Physics: Red, blue and green are primary colors. Many 'new' colors can be made by mixing these in varying proportions. White gives it a pale or bright appearance. Black gives it a dark appearance. Painters bring out a theme by painting a picture with various colors. Colors also indicate the racial origin of a person, some of them being cream for British, red for Americans, Brown for Indians, Yellow for Chinese and white for Persians. At times, I believe I had the superhuman ability of seeing infrared light (red). This helped me spot wires damaged by internal burnouts during an electronic research project I worked on. However, normally I do not see infrared.
There are lots of colors that I don't see. I see a narrow sliver of colors between 400 and 700 nm.
Colours are derived from the visible (to us) part of the electromagnetic spectrum. Others such as ultraviolet and Infra red are not visible to us, but there is nothing mysterious about them and there is no chance that a new colour could appear out of nowhere; we have mapped the enitre electomagnetic spectrum.
are you on drugs? How much do they cost, and do they let you see the pixies?