tranquil light background. a serene and calming light-themed concept

airy atmospheric background blissful bright calming calmness clarity clean concept copacetic delicate ethereal gentle glow harmonious heavenly hushed idyllic landscape light lightthemed luminous mellow minimalistic pure quiet radiant radiating relaxing scene scenic serene serenity soft solitude soothing stillness sublime sunny tranquil tranquility trans untouched wedding