value relative darkness or lightness of a color; "I establish the colors and principal values by organizing the painting into three values--dark, medium...and light"-Joe Hing Lowe
lightness -
the visual effect of illumination on objects or scenes as created in pictures; "he could paint the lightest light and the darkest dark"
joyfulness,
joyousness,
joy something or someone that provides a source of happiness; "a joy to behold"; "the pleasure of his company"; "the new car is a delight"
lightness -
the trait of being lighthearted and frivolous
