RGB Split Glitch Text: CSS Text Animation

RGB Split Glitch Text

Red and cyan copies of the word sit behind it and snap out of register in hard steps, like a misaligned video signal. The copies read from a data attribute and only move with transform.

Also known as: chromatic aberration text, rgb glitch effect css, color split text.

SIGNAL

Color Font size 40px Dark background

HTML

<div class="txt-rgb-split-glitch" data-text="SIGNAL">SIGNAL</div>

CSS

.txt-rgb-split-glitch {
  --c: var(--txt-color, #3b82f6);
  font-size: var(--txt-size, 32px);
  font-family: system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.2;
  position: relative;
  display: inline-block;
  isolation: isolate;
  color: var(--c);
  letter-spacing: 0.06em;
  animation: txt-rgb-split-glitch-shake 2.6s steps(1, end) infinite;}
.txt-rgb-split-glitch::before,
.txt-rgb-split-glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  z-index: -1;
  animation: 2.6s steps(1, end) infinite;
}
.txt-rgb-split-glitch::before {
  color: #ff2d78;
  animation-name: txt-rgb-split-glitch-red;
}
.txt-rgb-split-glitch::after {
  color: #00c2ff;
  animation-name: txt-rgb-split-glitch-cyan;
}
@keyframes txt-rgb-split-glitch-red {
  0%, 89%, 100% { transform: translate(-0.05em, 0); }
  10% { transform: translate(-0.07em, 0.02em); }
  14% { transform: translate(-0.02em, -0.01em); }
  30% { transform: translate(-0.05em, 0); }
  46% { transform: translate(-0.14em, 0.03em); }
  49% { transform: translate(0.06em, -0.02em); }
  52% { transform: translate(-0.05em, 0); }
  74% { transform: translate(-0.03em, 0.01em); }
  86% { transform: translate(-0.1em, -0.02em); }
}
@keyframes txt-rgb-split-glitch-cyan {
  0%, 89%, 100% { transform: translate(0.05em, 0); }
  10% { transform: translate(0.03em, -0.02em); }
  14% { transform: translate(0.06em, 0.01em); }
  30% { transform: translate(0.05em, 0); }
  46% { transform: translate(0.12em, -0.03em); }
  49% { transform: translate(-0.07em, 0.02em); }
  52% { transform: translate(0.05em, 0); }
  74% { transform: translate(0.05em, -0.01em); }
  86% { transform: translate(0.09em, 0.02em); }
}
@keyframes txt-rgb-split-glitch-shake {
  0%, 52%, 89%, 100% { transform: none; }
  46% { transform: translateX(0.03em) skewX(-8deg); }
  49% { transform: translateX(-0.03em); }
  86% { transform: translateX(-0.02em) skewX(5deg); }
}

@media (prefers-reduced-motion: reduce) {
  .txt-rgb-split-glitch, .txt-rgb-split-glitch *, .txt-rgb-split-glitch::before, .txt-rgb-split-glitch::after, .txt-rgb-split-glitch *::before, .txt-rgb-split-glitch *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

Customizing this snippet

Color: set --txt-color on the element or a parent. Currently previewing #3b82f6.
Font size: set --txt-size. Every other dimension is in em, so the whole thing scales together. Currently previewing 40px.
Speed: change the duration on the transition or animation shorthand. Staggered delays are relative, so they keep their rhythm.
Reduced motion: the rule at the end of the CSS turns the motion off for people who asked their OS for less of it. Keep it.

RGB Split Glitch Text

HTML

CSS

Customizing this snippet

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