Heavier in weight so the eye goes there. Also unafraid — the same word for visual and personal prominence.
Old English beald/bald (bold, brave, confident), from Proto-Germanic *balthaz; the same word serves for a heavier typeface and for personal courage, both being a kind of prominence.
Heavier in weight so the eye is drawn there, and unafraid in temperament — this house keeps one word for the two kinds of standing out.