What make a quality water color painting?

check out this new tutorial - check out the rubric ... we are looking for

Layers of luminous color - painting light to dark with yellow as a base

image is mostly leaves - no more than 20% background - but background is painted in a light natural color and not left blank.

illusion of 3d - overlap, perspective, chiaroscuro

using complimentary colors not black and white pigments

neatness counts - paint general to specific - start with washes and running colors, latter add detail.