How do dogs see the palette? - briefly
Dogs have dichromatic color vision, which means they can distinguish between two primary colors: blue and yellow. This is in contrast to humans, who are trichromatic and can perceive red, green, and blue.
How do dogs see the palette? - in detail
Dogs possess a distinct visual system that differs significantly from humans, particularly in terms of color perception. While human eyes have three types of cone cells (red, green, and blue) that enable us to perceive a wide spectrum of colors, dogs have only two types: blue and yellow. This dichromatic color vision allows dogs to discern shades of blue and yellow, but they struggle with distinguishing between reds and greens, which appear as various shades of gray or yellowish-green to them.
Additionally, dogs' eyes are more sensitive to changes in brightness levels than humans, which is a result of their evolutionary adaptation to detect movement in low light conditions. This heightened sensitivity to motion is crucial for their survival and hunting instincts. Furthermore, dogs have a higher concentration of rods in their retinas compared to humans, which contributes to their enhanced night vision capabilities.
In summary, while dogs do not perceive colors as vividly or diversely as humans, their visual system is optimized for detecting motion and operating effectively in low-light environments. This adaptation has served them well throughout their evolutionary history.