Synonyms of low-key
subduedDictionary • The wedding will be a very low-key affair.
subdued • The lighting was subdued.
quiet • They dress in quiet colours.
restrained • Her black suit was restrained and expensive.
muted • He likes sober muted colours.
muffled • She heard a muffled cough behind her.
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• She heard a muffled cough behind her.
mutedMuted colours are soft and gentle, not bright and strong.
• He likes sober muted colours.
quietYou describe colours or clothes as quiet when they are not bright or not very noticeable.
• They dress in quiet colours.
Thesaurus for low-key from the Collins English Thesaurus