undertone   (TTS Sound)

The undertone has 3 Senses.

• undertone
• a quiet or hushed tone of voice; "spoke in undertones"
• 静かでひそめた声の調子

• undertone, undercurrent
• a subdued emotional quality underlying an utterance; implicit meaning
• 発言の根底にある抑えられた感情

• undertone, tinge
• 色彩, 色合い
• a pale or subdued color
• 淡い、地味な色