Literature Reference: 别后心期如在眼，猨声烟色树苍苍。—— 《送齐明府赴东阳》 After parting, our hearts remain as clear as the view before our eyes, with the sound of apes and the hazy colors of the misted forest. Source from 'Song Qi Mingfu to Dongyang'.
烟: Smoke, billowing clouds. Herbal essence.
色:
Meaning: The color of mist symbolizes the hazy and tranquil beauty of nature, representing depth, mystery, and serenity.