The shiny reflective property of a paint’s sheen comes from a reflective particles in the paint. The more layers that are put on, the more light gets reflected back to the viewer.

Is flat paint shiny?

Flat or matte paints absorb more light than they reflect, so they have no sheen. Semi-gloss and gloss paints reflect light, giving them a bright, shiny finish.

Does flat paint look dull?

Flat paints produce a dull, even velvety finish that looks best on foyer, living room, adult bedroom, home office and formal dining room walls. This interior paint finish is the easiest to touch up, it adds richness to the paint color and even hides minor surface imperfections.