Bright

alegre

(in good spirits — see also happy, optimistic)

brillante

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

brillante

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

claro

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

expresivo

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

genial

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

inteligente

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

lucio

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

luminoso

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

resplandeciente

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

vivo

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

vívido

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