Human eyes perceive visible light as this array of colors ... To understand where black falls on the color spectrum, first ...

Faced with a glorious spectrum of colour ... how well the light-sensitive cells in the bird's eyes distinguish difference wavelengths of colour. Instead, it may be how the signal from the eye ...

Lighter eyes are idealised across societies, which often posit brown eyes on the most ‘boring’ end of the spectrum ... resentment against my eye colour. So dark brown that they almost blend ...