Somber
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meek, luminous, lightsome, buoyant, joyous, hopeful, cheerful, friendly, glaring, highlighted, resplendent, joyful, mild, light, radiant, clear, moony, glossy, encouraging, colorful, vivid, gentle, bright, dazzling, floodlit, calm, lucid, sunlit, aglitter, Relucent, lit, visible, beamy, agleam, moonlit, cheering, heartwarming, colourful, congenial, starlit, transparent, pleasant, sparkling, pleased, comforting, cheery, happy, optimistic, shining, nice, gleaming, bland, brilliant, uplifting, cordial, crystalline, illuminated, white, cloudless, sunshiny.