> colors are single dimensional Light is a mixture of different wavelengths, so, in a sense, it's infinitely dimensional. People's perception of light is usual

> colors are single dimensional Light is a mixture of different wavelengths, so, in a sense, it's infinitely dimensional. People's perception of light is usually three dimensional. > maybe not even really mappable to any continuum I think it cannot be continuum, as sense of smell is caused by discrete molecules. As for "not mappable", it can be that it's mappable, but our brain is really bad at it.