Bright

gudrus

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

gyvybingas

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

protingas

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

ryškus

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

ryškus

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

šviesus

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