For seeing color. Most humans have three types of cones tuned to red, green, and blue. Your brain mixes these signals to "create" the millions of shades you see every day.
While physics explains how light moves, chemistry explains how objects "grab" that light.
The final step happens in your retina, which contains two main types of photoreceptors: For seeing in low light (black and white).
The Physics and Chemistry of Color: The Science Behind the Spectrum
On a molecular level, color happens when photons strike electrons. If the photon has the right amount of energy, it "kicks" an electron to a higher energy level. The specific energy gap of that molecule determines which color we see. 3. Structural Color: Nature’s Glitter
Should we dive deeper into recreate these colors using pixels, or