Gloss and Sheen are measured by the amount of light reflected off a surface independent of its color. Each one is measured at a different angle. This means the beam of light bouncing off the surface and back to the receptor is different between Gloss and Sheen. Paint products can have either gloss or sheen value (some even have both). Do not worry, the Color Muse 2 will confirm the best gloss or sheen for your match. Want to learn more about Gloss and Sheen differentiation? Read more.