uprightness

n 1: the property of being upright in posture [syn: {erectness}]

2: position at right angles to the horizon [syn: {verticality},

{verticalness}, {erectness}]

3: uprightness as a consequence of being honorable and honest

[syn: {rectitude}]

brightness

(Or "tone", "luminance", "value", "luminosity",

"lightness") The coordinate in the {HSB} {colour model} that

determines the total amount of light in the colour. Zero

brightness is black and 100% is white, intermediate values are

"light" or "dark" colours.

The other coordinates are {hue} and {saturation}.

(1999-07-05)