subdued
adj. B2 Upper Intermediate US //səbˈdud// UK //sʌbdjˈuːd// sub·dued
adj. quiet and calm, often because someone is feeling a bit sad or serious. You can also use it to describe colors or lights that are not very bright.
adj. characterised by a quiet, reflective, or low-key quality; lacking in intensity or brightness. Often used predicatively after linking verbs like 'remain' or 'seem'.
The party was quite subdued after the bad news.
The office remained subdued for several days following the announcement of the company's restructuring.
The interior designer chose a palette of subdued earth tones to create a sense of tranquility that contrasted sharply with the vibrant city outside.
Usage
Often follows a linking verb or precedes a noun to describe mood, lighting, or color.