uBlock/src/css/themes/default.css

/*

    Notes:

    `--fg-...`: used for color of text or small icons
    `--bg-...`: used to color large areas on which text will be rendered

*/

:root {
    --bg-0: #fff;
    --fg-0: hsla(261, 53%, 15%, 1);

    --bg-1: hsla(240, 20%, 98%, 1);
    --bg-1-border: hsla(240, 20%, 90%, 1);

    --bg-overlay-50: #0008;

    --bg-code: hsla(240, 20%, 93%, 1);

    /* these fg colors are meant to render over bg colors */
    --fg-0-80: hsla(261, 53%, 15%, 0.8);
    --fg-0-70: hsla(261, 53%, 15%, 0.7);
    --fg-0-60: hsla(261, 53%, 15%, 0.6);
    --fg-0-50: hsla(261, 53%, 15%, 0.5);
    --fg-0-40: hsla(261, 53%, 15%, 0.4);
    --fg-0-30: hsla(261, 53%, 15%, 0.3);
    --fg-0-20: hsla(261, 53%, 15%, 0.2);

    --hline-1: hsla(261, 53%, 15%, 0.2);

    --bg-button: hsla(0, 0%, 90%, 1);
    --bg-button-hover: hsla(0, 0%, 83%, 1);
    --bg-button-important: hsla(36, 100%, 85%, 1);
    --bg-button-important-hover: hsla(36, 100%, 77%, 1);
    --fg-button: var(--fg-0);
    --bg-button-disabled: hsla(0, 0%, 93%, 1);
    --fg-button-disabled: hsla(0, 0%, 60%, 1);

    --bg-transient-notice: hsla(60, 100%, 95%, 1);

    --fg-dashboard-nav-off: var(--fg-0);
    --fg-dashboard-nav-on: #592acb;

    --fg-icon-info-lvl-0-dimmed: #888;
    --fg-icon-info-lvl-0: inherit;
    --fg-icon-info-lvl-1-dimmed: hsla(240, 100%, 40%, 0.5);
    --fg-icon-info-lvl-1: hsla(240, 100%, 40%, 1);
    --fg-icon-info-lvl-2-dimmed: hsla(36, 100%, 40%, 0.5);
    --fg-icon-info-lvl-2: hsla(36, 100%, 40%, 1);
    --fg-icon-info-lvl-3-dimmed: hsla(16, 100%, 50%, 0.5);
    --fg-icon-info-lvl-3: hsla(16, 100%, 50%, 1);
    --fg-icon-info-lvl-4-dimmed: hsla(0, 100%, 35%, 0.5);
    --fg-icon-info-lvl-4: hsla(0, 100%, 35%, 1);

    --large-icon-info-lvl-2: hsla(41, 100%, 47%, 1);

    --bg-tooltip: hsla(60, 100%, 97%, 1);
    --fg-tooltip: var(--fg-0);

    /* popup panel */
    --fg-popup-power: hsla(214, 100%, 44%, 1);
    --fg-popup-power-hover: opacity(80%);
    --bg-popup-cell-1: hsla(261, 0%, 93%, 1);
    --bg-popup-cell-2: rgb(224, 224, 230);
    --bg-popup-cell-label-filter: opacity(40%);
    --fg-popup-cell-cname: hsla(240, 100%, 40%, 1);
    --bg-popup-cell-allow: hsla(120, 40%, 75%, 1);
    --bg-popup-cell-allow-own: hsla(120, 100%, 30%, 1);
    --bg-popup-cell-noop: hsla(0, 0%, 75%, 1);
    --bg-popup-cell-noop-own: hsla(0, 0%, 45%, 1);
    --bg-popup-cell-block: hsla(0, 50%, 80%, 1);
    --bg-popup-cell-block-own: hsla(0, 100%, 40%, 1);
    --bg-popup-cell-label-mixed: hsla(45, 100%, 38%, 1);
    --fg-popup-icon-caption-display: unset;
    --fg-popup-icon-x: hsla(0, 100%, 50%, 1);
}

/**
 Source for color-blind color scheme from https://github.com/WyohKnott:
 https://github.com/chrisaljoudi/uBlock/issues/467#issuecomment-95177219
 */
:root.colorBlind {
    --bg-popup-cell-allow: hsla(42, 100%, 80%, 1);
    --bg-popup-cell-allow-own: hsla(42, 100%, 50%, 1);
    --bg-popup-cell-noop: hsla(0, 0%, 75%, 1);
    --bg-popup-cell-noop-own: hsla(0, 0%, 45%, 1);
    --bg-popup-cell-block: hsla(230, 25%, 75%, 1);
    --bg-popup-cell-block-own: hsla(230, 100%, 25%, 1);
    --bg-popup-cell-label-mixed: hsla(25, 100%, 50%, 1);
}

/* Default dark theme starts here */

@media (prefers-color-scheme: dark) {

    :root {
    }

    :root.colorBlind {
    }

}