OnomaUI

pika motion

The motion for "flash for a moment".

ぴかっ1 motionOfficial

Sample

Flash for a moment

Idea / discovery

Flashes out to 118% for an instant, then returns.

Duration
0.4s
Repeats
No
Easing
ease-out
Animates
Scale · Opacity scale opacity
Show CSS
@keyframes onoma-pika {
  0% { transform: scale(1, 1); opacity: 1; }
  20% { transform: scale(1.18, 1.18); opacity: 0.35; }
  50% { transform: scale(1, 1); opacity: 1; }
  100% { transform: scale(1, 1); opacity: 1; }
}

.onoma-pika {
  animation: onoma-pika 0.4s ease-out both;
}

/* Reduced motion: no motion */
@media (prefers-reduced-motion: reduce) {
  .onoma-pika { animation: none; }
}

Compare with similar motions

Words for the same motion