Xanh is a Vietnamese poetic term derived from the word for "blue" or "green," often used in classical and modern Vietnamese poetry to evoke a liminal chromatic space that blends sky, water, foliage, and melancholy. In poetic context, xanh carries connotations of freshness, youth, distance, and existential longing, functioning as a culturally specific color symbol akin to "azure" in Western verse but with deeper ecological and emotional resonance. Poets like Xuân Diệu use xanh to capture the ephemeral beauty of nature and the ache of transience. For students, xanh exemplifies how color terms in poetry can encode complex cultural and affective meanings, inviting cross-linguistic exploration of chromatic poetics.

Vietnamese six-eight verse form alternating six and eight syllable lines. Related to luc bat. Features tonal rhyme requirements. Study Vietnamese poetics for proper understanding of tonal constraints.