声色 (こわいろ)tone of voice; mimicry; imitative voice

声色, its kanji, and other words that share them.Open this graph

Kanji in 声色

声こえvoice
声明せいめいdeclaration; statement
音声おんせいvoice; speech
歓声かんせいcheer; shout of joy
声援せいえん(shout of) encouragement; cheering
声楽せいがくvocal music
第一声だいいっせいfirst words said (e.g. when meeting someone); first thing out of one's mouth
掛け声かけごえshout (of encouragement, etc.); yell (used to time or encourage activity, e.g. "Heave ho!")
色いろcolour; color
色彩しきさいcolour; color
特色とくしょくcharacteristic; feature
難色なんしょくdisapproval
黄色きいろyellow; amber
一色いっしょくone color; one colour
異色いしょくunique; distinctive
灰色はいいろgrey; gray

See how 声色 connects to the rest of Japanese.