Bright

буден

buden

(of a colour: not muted or pale — see also bold, vivid)

весел

vesel

(of a colour: not muted or pale — see also bold, vivid)

жив

živ

(of a colour: not muted or pale — see also bold, vivid)

светъл

svetǎl

(emitting much light; visually dazzling — see also luminous, radiant)

умен

umen

(having a clear, quick intellect — see also intelligent)

ярък

jarǎk

(emitting much light; visually dazzling — see also luminous, radiant)