“淡蓝色”常见的英文表达是 light blue 。
例如：
The walls are painted in a light blue, which creates a calming atmosphere.（墙壁被漆成了淡蓝色，营造出一种宁静的氛围。）
She wore a light blue dress that made her look even more charming.（她穿了一条淡蓝色的连衣裙，让她看起来更加迷人。）