What colors can a cat see?
Cats can see a certain range of colors, but unlike humans, they primarily perceive them as grayscale. This is because cats have only two types of cone cells in their retinas, corresponding to blue and green wavelengths of light respectively. Therefore, cats can only distinguish blue, purple, and green, but they can barely see red. In a cat's eyes, red is perceived as gray, and green is perceived as light gray or white. 
Although cats have a smaller color field of vision than humans, they possess exceptional night vision and motion perception. A cat's eyes contain a high density of rod cells, which can receive weak light signals and convert them into visual signals. Furthermore, a cat's pupils can constrict or dilate within seconds to adapt to different light intensities, allowing them to see the outlines and details of objects in low light conditions, and even to see ultraviolet light that is invisible to humans.
When interacting with cats, we should be aware of their visual differences and communicate using other senses. For example, we can use sound, touch, or taste to communicate with them, which can more effectively establish a connection. Understanding the characteristics of a cat's vision can provide a deeper understanding of their behavior and habits, helping us in our relationship with them.
