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CSS Look & feel trello.com

Trello: calmer dark contrast

Softens dark-mode contrast with muted card and list backgrounds for less eye strain.

Code to copy

/* Calmer, lower-contrast dark cards */
[data-color-mode="dark"] [data-testid="trello-card"],
[data-color-mode="dark"] .list-card {
  background: #21262d !important;
  color: #c9d1d9 !important;
  box-shadow: none !important;
}
[data-color-mode="dark"] [data-testid="list"] {
  background: #161b22 !important;
}

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  4. Paste the code into the rule's CSS panel and save — the effect appears instantly.

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