Pulse is an effect that draws attention through rhythmic expansion and contraction of an element, almost like a heartbeat on screen. It creates a sense of energy and motion that feels alive, making it perfect for highlighting buttons, notifications, or any area where the user’s focus is needed. The appeal of pulse lies in its subtle repetition, which communicates urgency without being overly disruptive.
The animation typically involves smooth scaling in and out, often paired with changes in opacity or glow to enhance visibility. The key is in the timing: easing should be gentle and continuous so that the effect feels natural rather than mechanical. Too sharp of a pulse can feel stressful, while too slow can lose its impact. The balance between scale, speed, and fade determines how engaging the effect feels.
Pulse works best in short bursts or looping sequences that do not overstay their welcome. A button might pulse once when it first becomes active, or a notification badge could pulse softly until acknowledged. The goal is to guide the user’s eyes without forcing their attention. When combined with sound or haptic feedback, pulse can become even more noticeable and persuasive.
Designers often use pulse to convey state changes or invite interaction. For example, a recording indicator that pulses red signals activity clearly, while a floating action button might pulse to encourage discovery. The looping rhythm creates a sense of presence, as if the element is breathing and waiting for input.
Variations include single subtle pulses, repeating waves, or layered pulses that radiate outward. Each approach creates a different level of emphasis. When used thoughtfully, pulse becomes a simple yet powerful tool to make interfaces feel more dynamic and alive.
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