Adjectives

(s)clean, clear, light, unclouded(of sound or color) free from anything that dulls or dims“efforts to obtain a clean bass in orchestral recordings”, “clear laughter like a waterfall”, “clear reds and blues”, “a light lilting voice like a silver bell”
(s)cloudless, uncloudedfree from clouds“under a cloudless sky”
(s)uncloudednot mentally disordered“an unclouded mind”
(s)uncloudednot made opaque or cloudy by sediment“the wine was unclouded”