YouTube - Revert old colors style script

This reverts back to the colors before the web_darker_dark_theme flag was enabled.

As of 2024-08-12. See the latest version.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         YouTube - Revert old colors style script
// @version      2024.08.12
// @description  This reverts back to the colors before the web_darker_dark_theme flag was enabled.
// @author       Magma_Craft
// @icon         https://www.youtube.com/favicon.ico
// @namespace    https://greatest.deepsurf.us/en/users/933798
// @license      MIT
// @match        https://*.youtube.com/*
// @grant        none
// @run-at       document-start
// ==/UserScript==

// Attributes to remove from <html>
const ATTRS = [
    "darker-dark-theme",
    "darker-dark-theme-deprecate"
];

// Regular config keys.
const CONFIGS = {
};

// Experiment flags.
const EXPFLAGS = {
    // Disable both 'darker_dark_theme' and 'amsterdam_playlists' (both have been patched since May and Nov '23)
    web_darker_dark_theme: false,
    web_amsterdam_playlists: false,
    // Disable the refresh on theme change (this have been patched since Apr '23)
    kevlar_refresh_on_theme_change: false,
    // Remove the ambient mode if you are on both dark theme (and theater mode)
    kevlar_watch_cinematics: false
};

// Player flags
// !!! USE STRINGS FOR VALUES !!!
// For example: "true" instead of true
const PLYRFLAGS = {
};

class YTP {
    static observer = new MutationObserver(this.onNewScript);

    static _config = {};

    static isObject(item) {
        return (item && typeof item === "object" && !Array.isArray(item));
    }
    
    static mergeDeep(target, ...sources) {
        if (!sources.length) return target;
        const source = sources.shift();
    
        if (this.isObject(target) && this.isObject(source)) {
            for (const key in source) {
                if (this.isObject(source[key])) {
                    if (!target[key]) Object.assign(target, { [key]: {} });
                    this.mergeDeep(target[key], source[key]);
                } else {
                    Object.assign(target, { [key]: source[key] });
                }
            }
        }
    
        return this.mergeDeep(target, ...sources);
    }
    

    static onNewScript(mutations) {
        for (var mut of mutations) {
            for (var node of mut.addedNodes) {
                YTP.bruteforce();
            }
        }
    }

    static start() {
        this.observer.observe(document, {childList: true, subtree: true});
    }
    
    static stop() {
        this.observer.disconnect();
    }

    static bruteforce() {
        if (!window.yt) return;
        if (!window.yt.config_) return;

        this.mergeDeep(window.yt.config_, this._config);
    }

    static setCfg(name, value) {
        this._config[name] = value;
    }

    static setCfgMulti(configs) {
        this.mergeDeep(this._config, configs);
    }

    static setExp(name, value) {
        if (!("EXPERIMENT_FLAGS" in this._config)) this._config.EXPERIMENT_FLAGS = {};

        this._config.EXPERIMENT_FLAGS[name] = value;
    }

    static setExpMulti(exps) {
        if (!("EXPERIMENT_FLAGS" in this._config)) this._config.EXPERIMENT_FLAGS = {};

        this.mergeDeep(this._config.EXPERIMENT_FLAGS, exps);
    }

    static decodePlyrFlags(flags) {
        var obj = {},
            dflags = flags.split("&");

        for (var i = 0; i < dflags.length; i++) {
            var dflag = dflags[i].split("=");
            obj[dflag[0]] = dflag[1];
        }
        
        return obj;
    }

    static encodePlyrFlags(flags) {
        var keys = Object.keys(flags),
            response = "";

        for (var i = 0; i < keys.length; i++) {
            if (i > 0) {
                response += "&";
            }
            response += keys[i] + "=" + flags[keys[i]];
        }

        return response;
    }

    static setPlyrFlags(flags) {
        if (!window.yt) return;
        if (!window.yt.config_) return;
        if (!window.yt.config_.WEB_PLAYER_CONTEXT_CONFIGS) return;
        var conCfgs = window.yt.config_.WEB_PLAYER_CONTEXT_CONFIGS;
        if (!("WEB_PLAYER_CONTEXT_CONFIGS" in this._config)) this._config.WEB_PLAYER_CONTEXT_CONFIGS = {};

        for (var cfg in conCfgs) {
            var dflags = this.decodePlyrFlags(conCfgs[cfg].serializedExperimentFlags);
            this.mergeDeep(dflags, flags);
            this._config.WEB_PLAYER_CONTEXT_CONFIGS[cfg] = {
                serializedExperimentFlags: this.encodePlyrFlags(dflags)
            }
        }
    }
}

window.addEventListener("yt-page-data-updated", function tmp() {
    YTP.stop();
    for (i = 0; i < ATTRS.length; i++) {
        document.getElementsByTagName("html")[0].removeAttribute(ATTRS[i]);
    }
    window.removeEventListener("yt-page-date-updated", tmp);  
});

YTP.start();

YTP.setCfgMulti(CONFIGS);
YTP.setExpMulti(EXPFLAGS);

(function() {
let css = `
html[dark] { --yt-spec-general-background-a: #181818 !important; --yt-spec-general-background-b: #0f0f0f !important; --yt-spec-brand-background-primary: rgba(33, 33, 33, 0.98) !important; --yt-spec-10-percent-layer: rgba(255, 255, 255, 0.1) !important }
html:not([dark]) { --yt-spec-general-background-a: #f9f9f9 !important; --yt-spec-general-background-b: #f1f1f1 !important; --yt-spec-brand-background-primary: rgba(255, 255, 255, 0.98) !important; --yt-spec-10-percent-layer: rgba(0, 0, 0, 0.1) !important }

/* Removes ambient mode if dark theme was enabled */
#cinematics.ytd-watch-flexy { display: none !important }

/* Button improvements (including edit and sponsor buttons) */
#voice-search-button.ytd-masthead { background-color: var(--yt-spec-general-background-a) !important; margin-left: 4px !important }
#edit-buttons > ytd-button-renderer > yt-button-shape > a { color: var(--yt-spec-text-primary-inverse) !important; background-color: var(--yt-spec-call-to-action) !important }
div#sponsor-button.style-scope.ytd-video-owner-renderer > ytd-button-renderer.style-scope.ytd-video-owner-renderer > yt-button-shape > .yt-spec-button-shape-next--mono.yt-spec-button-shape-next--outline { background-color: var(--yt-spec-badge-chip-background) !important; border: none !important; color: var(--yt-spec-text-primary) !important }
div#sponsor-button.style-scope.ytd-c4-tabbed-header-renderer > ytd-button-renderer.style-scope.ytd-c4-tabbed-header-renderer > yt-button-shape > .yt-spec-button-shape-next--mono.yt-spec-button-shape-next--outline { background-color: var(--yt-spec-badge-chip-background) !important; border: none !important; color: var(--yt-spec-text-primary) !important }
button.yt-spec-button-shape-next.yt-spec-button-shape-next--outline.yt-spec-button-shape-next--mono.yt-spec-button-shape-next--size-m[aria-label="Join this channel"] { background-color: var(--yt-spec-badge-chip-background) !important; border: none !important; color: var(--yt-spec-text-primary) !important }

/* Apply the old colored theme */
ytd-masthead { background: var(--yt-spec-brand-background-solid) !important }
ytd-app { background: var(--yt-spec-general-background-a) !important }
ytd-browse[page-subtype="channels"] { background: var(--yt-spec-general-background-b) !important }
ytd-c4-tabbed-header-renderer { --yt-lightsource-section1-color: var(--yt-spec-general-background-a) !important }
ytd-mini-guide-renderer, ytd-mini-guide-entry-renderer { background-color: var(--yt-spec-brand-background-solid) !important }
#tabs-divider.ytd-c4-tabbed-header-renderer { border-bottom: 0px !important }
#header.ytd-rich-grid-renderer { width: 100% !important }
[page-subtype="home"] #chips-wrapper.ytd-feed-filter-chip-bar-renderer { background-color: var(--yt-spec-brand-background-primary) !important; border-top: 1px solid var(--yt-spec-10-percent-layer) !important; border-bottom: 1px solid var(--yt-spec-10-percent-layer) !important }
ytd-feed-filter-chip-bar-renderer[is-dark-theme] #left-arrow.ytd-feed-filter-chip-bar-renderer::after { background: linear-gradient(to right, var(--yt-spec-brand-background-primary) 20%, rgba(33, 33, 33, 0) 80%) !important }
ytd-feed-filter-chip-bar-renderer[is-dark-theme] #right-arrow.ytd-feed-filter-chip-bar-renderer::before { background: linear-gradient(to left, var(--yt-spec-brand-background-primary) 20%, rgba(33, 33, 33, 0) 80%) !important }
ytd-feed-filter-chip-bar-renderer #left-arrow-button.ytd-feed-filter-chip-bar-renderer, ytd-feed-filter-chip-bar-renderer #right-arrow-button.ytd-feed-filter-chip-bar-renderer { background-color: var(--yt-spec-brand-background-primary) !important }
yt-chip-cloud-renderer[is-dark-theme] #right-arrow.yt-chip-cloud-renderer::before { background: linear-gradient(to left, var(--ytd-chip-cloud-background, var(--yt-spec-general-background-a)) 10%, rgba(24, 24, 24, 0) 90%) !important; }
yt-chip-cloud-renderer #left-arrow-button.yt-chip-cloud-renderer, yt-chip-cloud-renderer #right-arrow-button.yt-chip-cloud-renderer { background: var(--ytd-chip-cloud-background, var(--yt-spec-general-background-a)) !important }
yt-chip-cloud-renderer[is-dark-theme] #left-arrow.yt-chip-cloud-renderer::after { background: linear-gradient(to right, var(--ytd-chip-cloud-background, var(--yt-spec-general-background-a)) 10%, rgba(24, 24, 24, 0) 90%) !important }
yt-chip-cloud-renderer #left-arrow.yt-chip-cloud-renderer::after { background: linear-gradient(to right, var(--ytd-chip-cloud-background, var(--yt-spec-general-background-a)) 10%, rgba(249, 249, 249, 0) 90%) !important }
yt-chip-cloud-renderer #right-arrow.yt-chip-cloud-renderer::before { background: linear-gradient(to left, var(--ytd-chip-cloud-background, var(--yt-spec-general-background-a)) 10%, rgba(249, 249, 249, 0) 90%) !important }
ytd-feed-filter-chip-bar-renderer[component-style="FEED_FILTER_CHIP_BAR_STYLE_TYPE_HASHTAG_LANDING_PAGE"] #chips-wrapper.ytd-feed-filter-chip-bar-renderer, ytd-feed-filter-chip-bar-renderer[component-style="FEED_FILTER_CHIP_BAR_STYLE_TYPE_CHANNEL_PAGE_GRID"] #chips-wrapper.ytd-feed-filter-chip-bar-renderer { background-color: var(--yt-spec-general-background-b) !important }
ytd-watch-flexy #left-arrow.ytd-feed-filter-chip-bar-renderer:after { background: linear-gradient(to right, var(--ytd-chip-cloud-background, var(--yt-spec-general-background-a)) 10%, rgba(249, 249, 249, 0) 90%) !important; }
ytd-watch-flexy #right-arrow.ytd-feed-filter-chip-bar-renderer:before { background: linear-gradient(to left, var(--ytd-chip-cloud-background, var(--yt-spec-general-background-a)) 10%, rgba(249, 249, 249, 0) 90%) !important; }
ytd-watch-flexy ytd-feed-filter-chip-bar-renderer[is-dark-theme] #left-arrow.ytd-feed-filter-chip-bar-renderer:after { background: linear-gradient(to right, var(--ytd-chip-cloud-background, var(--yt-spec-general-background-a)) 10%, rgba(24, 24, 24, 0) 90%) !important; }
ytd-watch-flexy ytd-feed-filter-chip-bar-renderer[is-dark-theme] #right-arrow.ytd-feed-filter-chip-bar-renderer:before { background: linear-gradient(to left, var(--ytd-chip-cloud-background, var(--yt-spec-general-background-a)) 10%, rgba(24, 24, 24, 0) 90%) !important; }
#guide-content.ytd-app { background: var(--yt-spec-brand-background-solid) !important }
[page-subtype="history"] #page-header.ytd-tabbed-page-header { background-color: var(--yt-spec-general-background-a) !important; padding-top: 0 !important; padding-bottom: 0 !important }
.page-header-view-model-wiz__page-header-title--page-header-title-large { margin-top: 24px !important; margin-bottom: 8px !important; color: var(--yt-spec-text-primary) !important; font-size: 1.6em !important; line-height: 1.4em !important; font-weight: 500 !important }

/* Revert non-amsterdam playlists UI */
ytd-c4-tabbed-header-renderer[use-page-header-style] .page-header-banner.ytd-c4-tabbed-header-renderer { border-radius: 0px !important }
ytd-browse[darker-dark-theme][page-subtype="playlist"], ytd-browse[darker-dark-theme][page-subtype="show"] { background-color: var(--yt-spec-general-background-b) !important; padding-top: 0 !important }
ytd-two-column-browse-results-renderer.ytd-browse[background-refresh] { background-color: var(--yt-spec-general-background-b) !important }
.yt-sans-20.yt-dynamic-sizing-formatted-string, .yt-sans-22.yt-dynamic-sizing-formatted-string, .yt-sans-24.yt-dynamic-sizing-formatted-string, .yt-sans-28.yt-dynamic-sizing-formatted-string, yt-text-input-form-field-renderer[component-style="INLINE_FORM_STYLE_TITLE"][amsterdam] tp-yt-paper-input.yt-text-input-form-field-renderer .input-content.tp-yt-paper-input-container > input { font-family: "Roboto", "Arial", sans-serif !important; font-size: 2.4rem !important; line-height: 3.2rem !important; font-weight: 400 !important }
ytd-browse[page-subtype=playlist][amsterdam] { padding-top: 0 !important }
ytd-browse[page-subtype=playlist] ytd-playlist-header-renderer.ytd-browse, ytd-browse[page-subtype=playlist] .page-header-sidebar.ytd-browse, ytd-browse[has-page-header-sidebar] ytd-playlist-header-renderer.ytd-browse, ytd-browse[has-page-header-sidebar] .page-header-sidebar.ytd-browse { margin-left: 0 !important; height: calc(100vh - var(--ytd-toolbar-height)) !important }
.immersive-header-container.ytd-playlist-header-renderer { margin-bottom: 0 !important; border-radius: 0 !important }
.image-wrapper.ytd-hero-playlist-thumbnail-renderer { border-radius: 0 !important }
ytd-playlist-header-renderer, yt-formatted-string[has-link-only_]:not([force-default-style]) a.yt-simple-endpoint.yt-formatted-string:visited, .metadata-stats.ytd-playlist-byline-renderer, .yt-spec-button-shape-next--overlay.yt-spec-button-shape-next--text, ytd-text-inline-expander.ytd-playlist-header-renderer { color: var(--yt-spec-text-primary) !important; --ytd-text-inline-expander-button-color: var(--yt-spec-text-primary) !important }
ytd-dropdown-renderer[no-underline] tp-yt-paper-dropdown-menu-light .tp-yt-paper-dropdown-menu-light[style-target=input], tp-yt-iron-icon.tp-yt-paper-dropdown-menu-light { color: var(--yt-spec-text-primary) !important }
.yt-spec-button-shape-next--overlay.yt-spec-button-shape-next--tonal, .yt-spec-button-shape-next--overlay.yt-spec-button-shape-next--filled { background: transparent !important; color: var(--yt-spec-text-primary) !important; border-radius: 2px !important; text-transform: uppercase }
.metadata-text-wrapper.ytd-playlist-header-renderer { --yt-endpoint-color: var(--yt-spec-text-primary) !important; --yt-endpoint-hover-color: var(--yt-spec-text-primary) !important }
div.immersive-header-background-wrapper.style-scope.ytd-playlist-header-renderer > div { background: var(--yt-spec-general-background-a) !important }
#contents > ytd-playlist-video-list-renderer { background: var(--yt-spec-general-background-b) !important; margin-right: 0px !important }
ytd-browse[page-subtype=playlist] ytd-two-column-browse-results-renderer.ytd-browse, ytd-browse[has-page-header-sidebar] ytd-two-column-browse-results-renderer.ytd-browse, ytd-browse[page-subtype=playlist][amsterdam] #alerts.ytd-browse { padding-left: 360px !important; padding-right: 0px !important; margin-bottom: 0 !important }
ytd-alert-with-button-renderer[type=INFO], ytd-alert-with-button-renderer[type=SUCCESS] { background: var(--yt-spec-general-background-a) !important }
ytd-item-section-renderer.style-scope.ytd-section-list-renderer[page-subtype="playlist"] > #header.ytd-item-section-renderer > ytd-feed-filter-chip-bar-renderer { display: none !important }
.yt-spec-button-shape-next--overlay.yt-spec-button-shape-next--tonal { background: var(--yt-spec-base-background) }
iron-input.tp-yt-paper-input > input.tp-yt-paper-input, textarea.tp-yt-iron-autogrow-textarea { color: var(--yt-spec-text-primary) !important }
#labelAndInputContainer.tp-yt-paper-input-container > label, #labelAndInputContainer.tp-yt-paper-input-container > .paper-input-label { color: var(--yt-spec-text-secondary) }
.unfocused-line.tp-yt-paper-input-container, .focused-line.tp-yt-paper-input-container { border-bottom-color: var(--yt-spec-text-primary) !important }`;
if (typeof GM_addStyle !== "undefined") {
  GM_addStyle(css);
} else {
  let styleNode = document.createElement("style");
  styleNode.appendChild(document.createTextNode(css));
  (document.querySelector("head") || document.documentElement).appendChild(styleNode);
}
})();