This is the 7421st most frequent Chinese word.
蔚
"蔚" means lush, thriving, refined, or eminent; also refers to gathering or becoming prominent.
In this sentence, "蔚" is used as part of "蔚蓝" to describe a color, indicating a bright blue or azure hue, often used poetically or to emphasize the beauty of the sky's blue tone.
天空蔚蓝，阳光明媚，令人心旷神怡。
The sky is azure, the sun is bright, making people feel relaxed and happy.
Here, "蔚然" is used to imply something glorious or splendid, often applied in literary contexts to elevate the tone and imagery of description.
那片森林蔚然成景，仿佛进入了童话世界。
The forest forms a magnificent scene, as if stepping into a fairy tale world.
"蔚成" is utilized in this phrase to denote forming or creating something impressive and grand, emphasizing the result of flourishing growth or development in a poetic manner.