"Natural coloring" refers to the use of pigments or dyes derived from natural sources, such as plants, fruits, vegetables, or minerals, to add color to food, cosmetics, or other products. Full definition
It increases appetite and vitality, enhances natural colors of the fish and stimulates breeding. (petbusiness.com)
I ordered 6 of them in natural color for iron ons that we are doing for a baby shower! (pottyscotty.com)
The rear camera is also good, you can click quality images with natural colors in daylight conditions as well as using the flash you can capture life moments in low light. (pcquest.com)