UI Tone

Quick answer：

The term 'UI Tone' refers to the emotional feel or mood that is conveyed through the user interface (UI) design of a product. It involves the use of color, typography, imagery, and other design elements to create a specific emotional response in users. This can range from professional and serious tones for business applications to playful and friendly tones for consumer products. The UI tone plays a crucial role in user experience (UX) design by influencing how users perceive and interact with a product.