So, what distinguishes eggshell vs. satin? Eggshell paint is paint with a sheen that is glossier than flat yet duller than satin. It gets its name from its similarity to the surface of an eggshell.
Related: How to Choose the Best Paint Finish for Every Area of Your Home, From Kitchen Cabinets to Bathroom Walls Eggshell is a type of finish that's fairly flat with just a subtle amount of sheen ...