Definición básica de los colores. Basic definition of colors.

Color: Color. A quality of the objects which allows to let pass or to reflect certain rays of light* absorbing some others, producing a specific sensation in the retina. Colors are mainly classified as follows: primary colors–blue, red and yellow– by mixing two or three of them the secondary colors are obtained –orange: red plus yellow, green: blue plus yellow, and violet: blue plus red, brown: blue plus red plus yellow.