👉 Yellowness, also known as "yellowness," is a color characteristic of some animals and plants that occurs when light reflects off their skin or surface. It's characterized by a bright yellow hue, usually due to a chemical reaction between the pigment in their skin and the light itself. In nature, yellowness can be found in various environments where sunlight interacts with the natural world, such as in sunny areas like forests, grasslands, and oceans. In some animals, such