changedetection.io/changedetectionio/static/styles/scss/parts/_variables.scss

/**
 * CSS custom properties (aka variables).
 */

:root {
  --color-white: #fff;
  --color-grey-50: #111;
  --color-grey-100: #262626;
  --color-grey-200: #333;
  --color-grey-300: #444;
  --color-grey-325: #555;
  --color-grey-350: #565d64;
  --color-grey-400: #666;
  --color-grey-500: #777;
  --color-grey-600: #999;
  --color-grey-700: #cbcbcb;
  --color-grey-750: #ddd;
  --color-grey-800: #e0e0e0;
  --color-grey-850: #eee;
  --color-grey-900: #f2f2f2;
  --color-black: #000;
  --color-dark-red: #a00;
  --color-light-red: #dd0000;

  --color-background-page: var(--color-grey-100);
  --color-background-gradient-first: #5ad8f7;
  --color-background-gradient-second: #2f50af;
  --color-background-gradient-third: #9150bf;
  --color-background: var(--color-white);
  --color-text: var(--color-grey-200);
  --color-link: #1b98f8;
  --color-menu-accent: #ed5900;
  --color-background-code: var(--color-grey-850);
  --color-error: var(--color-dark-red);
  --color-error-input: #ffebeb;
  --color-error-list: var(--color-light-red);
  --color-table-background: var(--color-background);
  --color-table-stripe: var(--color-grey-900);
  --color-text-tab: var(--color-white);
  --color-background-tab: rgba(255, 255, 255, 0.2);
  --color-background-tab-hover: rgba(255, 255, 255, 0.5);
  --color-text-tab-active: #222;
  --color-api-key: #0078e7;

  --color-background-button-primary: #0078e7;
  --color-background-button-green: #42dd53;
  --color-background-button-red: #dd4242;
  --color-background-button-success: rgb(28, 184, 65);
  --color-background-button-error: rgb(202, 60, 60);
  --color-text-button-error: var(--color-white);
  --color-background-button-warning: rgb(202, 60, 60);
  --color-text-button-warning: var(--color-white);
  --color-background-button-secondary: rgb(66, 184, 221);
  --color-background-button-cancel: rgb(200, 200, 200);
  --color-text-button: var(--color-white);
  --color-background-button-tag: rgb(99, 99, 99);
  --color-background-snapshot-age: #dfdfdf;
  --color-error-text-snapshot-age: var(--color-white);
  --color-error-background-snapshot-age: #ff0000;
  --color-background-button-tag-active: #9c9c9c;

  --color-text-messages: var(--color-white);
  --color-background-messages-message: rgba(255, 255, 255, .2);
  --color-background-messages-error: rgba(255, 1, 1, .5);
  --color-background-messages-notice: rgba(255, 255, 255, .5);
  --color-border-notification: #ccc;

  --color-background-checkbox-operations: rgba(0, 0, 0, 0.05);
  --color-warning: #ff3300;
  --color-border-warning: var(--color-warning);
  --color-text-legend: var(--color-white);

  --color-link-new-version: #e07171;
  --color-last-checked: #bbb;
  --color-text-footer: #444;
  --color-border-watch-table-cell: #eee;

  --color-text-watch-tag-list: #e70069;
  --color-background-new-watch-form: rgba(0, 0, 0, 0.05);
  --color-background-new-watch-input: var(--color-white);
  --color-text-new-watch-input: var(--color-text);

  --color-border-input: var(--color-grey-500);
  --color-shadow-input: var(--color-grey-400);
  --color-background-input: var(--color-white);
  --color-text-input: var(--color-text);
  --color-text-input-description: var(--color-grey-500);
  --color-text-input-placeholder: var(--color-grey-600);

  --color-background-table-thead: var(--color-grey-800);
  --color-border-table-cell: var(--color-grey-700);

  --color-text-menu-heading: var(--color-grey-350);
  --color-text-menu-link: var(--color-grey-500);
  --color-background-menu-link-hover: var(--color-grey-850);
  --color-text-menu-link-hover: var(--color-grey-300);

  --color-shadow-jump: var(--color-grey-500);
  --color-icon-github: var(--color-black);
  --color-icon-github-hover: var(--color-grey-300);

  --color-watch-table-error: var(--color-dark-red);
}

html[data-darkmode="true"] {
  --color-link: #59bdfb;
  --color-text: var(--color-white);

  --color-background-gradient-first: #3f90a5;
  --color-background-gradient-second: #1e316c;
  --color-background-gradient-third: #4d2c64;

  --color-background-new-watch-input: var(--color-grey-100);
  --color-text-new-watch-input: var(--color-text);
  --color-background-table-thead: var(--color-grey-200);
  --color-table-background: var(--color-grey-300);
  --color-table-stripe: var(--color-grey-325);
  --color-background: var(--color-grey-300);
  --color-text-menu-heading: var(--color-grey-850);
  --color-text-menu-link: var(--color-grey-800);
  --color-border-table-cell: var(--color-grey-400);
  --color-text-tab-active: var(--color-text);

  --color-border-input: var(--color-grey-400);
  --color-shadow-input: var(--color-grey-50);
  --color-background-input: var(--color-grey-350);
  --color-text-input-description: var(--color-grey-600);
  --color-text-input-placeholder: var(--color-grey-600);
  --color-text-watch-tag-list: #fa3e92;

  --color-background-code: var(--color-grey-200);

  --color-background-tab: rgba(0, 0, 0, 0.2);
  --color-background-tab-hover: rgba(0, 0, 0, 0.5);

  --color-background-snapshot-age: var(--color-grey-200);
  --color-shadow-jump: var(--color-grey-200);
  --color-icon-github: var(--color-white);
  --color-icon-github-hover: var(--color-grey-700);
  --color-watch-table-error: var(--color-light-red);

  // Anything that can't be manipulated through variables follows.
  .watch-controls {
    img {
      opacity: 0.4;
    }
  }

  .icon-spread {
    filter: hue-rotate(-10deg) brightness(1.5);
  }

  .watch-table {

    .title-col a[target="_blank"]::after,
    .current-diff-url::after {
      filter: invert(.5) hue-rotate(10deg) brightness(2);
    }
  }
}