diff --git a/application/Espo/Core/Portal/Utils/ThemeManager.php b/application/Espo/Core/Portal/Utils/ThemeManager.php
index 72fee9807d..f76d70244e 100644
--- a/application/Espo/Core/Portal/Utils/ThemeManager.php
+++ b/application/Espo/Core/Portal/Utils/ThemeManager.php
@@ -31,6 +31,7 @@ namespace Espo\Core\Portal\Utils;
 
 use Espo\Core\Utils\Config;
 use Espo\Core\Utils\Metadata;
+use Espo\Core\Utils\Theme\MetadataProvider;
 use Espo\Entities\Portal;
 use Espo\Core\Utils\ThemeManager as BaseThemeManager;
 
@@ -38,9 +39,13 @@ class ThemeManager extends BaseThemeManager
 {
     private Portal $portal;
 
-    public function __construct(Config $config, Metadata $metadata, Portal $portal)
-    {
-        parent::__construct($config, $metadata);
+    public function __construct(
+        Config $config,
+        Metadata $metadata,
+        MetadataProvider $metadataProvider,
+        Portal $portal,
+    ) {
+        parent::__construct($config, $metadata, $metadataProvider);
 
         $this->portal = $portal;
     }
diff --git a/application/Espo/Core/Utils/Client/ActionRenderer.php b/application/Espo/Core/Utils/Client/ActionRenderer.php
index ccb6d3ca43..e4fa666e90 100644
--- a/application/Espo/Core/Utils/Client/ActionRenderer.php
+++ b/application/Espo/Core/Utils/Client/ActionRenderer.php
@@ -55,6 +55,7 @@ class ActionRenderer
             initAuth: $params->initAuth(),
             scripts: $params->getScripts(),
             pageTitle: $params->getPageTitle(),
+            theme: $params->getTheme(),
         );
 
         $securityParams = new SecurityParams(
@@ -76,6 +77,7 @@ class ActionRenderer
         bool $initAuth,
         array $scripts,
         ?string $pageTitle,
+        ?string $theme,
     ): string {
 
         $encodedData = Json::encode($data);
@@ -96,6 +98,7 @@ class ActionRenderer
             runScript: $script,
             scripts: $scripts,
             pageTitle: $pageTitle,
+            theme: $theme,
         );
 
         return $this->clientManager->render($params);
diff --git a/application/Espo/Core/Utils/Client/ActionRenderer/Params.php b/application/Espo/Core/Utils/Client/ActionRenderer/Params.php
index d5b82f5bdc..448ce58bbf 100644
--- a/application/Espo/Core/Utils/Client/ActionRenderer/Params.php
+++ b/application/Espo/Core/Utils/Client/ActionRenderer/Params.php
@@ -44,6 +44,7 @@ class Params
     /** @var Script[] */
     private array $scripts = [];
     private ?string $pageTitle = null;
+    private ?string $theme = null;
 
     /**
      * @param ?array<string, mixed> $data
@@ -118,6 +119,17 @@ class Params
         return $obj;
     }
 
+    /**
+     * @since 9.1.0
+     */
+    public function withTheme(?string $theme): self
+    {
+        $obj = clone $this;
+        $obj->theme = $theme;
+
+        return $obj;
+    }
+
     public function getController(): string
     {
         return $this->controller;
@@ -166,4 +178,12 @@ class Params
     {
         return $this->pageTitle;
     }
+
+    /**
+     * @since 9.1.0
+     */
+    public function getTheme(): ?string
+    {
+        return $this->theme;
+    }
 }
diff --git a/application/Espo/Core/Utils/Client/RenderParams.php b/application/Espo/Core/Utils/Client/RenderParams.php
index 9ec7d98fd3..70f893ede4 100644
--- a/application/Espo/Core/Utils/Client/RenderParams.php
+++ b/application/Espo/Core/Utils/Client/RenderParams.php
@@ -35,10 +35,12 @@ readonly class RenderParams
      * @param ?string $runScript A JS run-script.
      * @param Script[] $scripts Scripts to include on the page.
      * @param ?string $pageTitle A page title. Since 9.1.0.
+     * @param ?string $theme A page theme name.
      */
     public function __construct(
         public ?string $runScript = null,
         public array $scripts = [],
         public ?string $pageTitle = null,
+        public ?string $theme = null,
     ) {}
 }
diff --git a/application/Espo/Core/Utils/ClientManager.php b/application/Espo/Core/Utils/ClientManager.php
index b606dade65..5bac61ac72 100644
--- a/application/Espo/Core/Utils/ClientManager.php
+++ b/application/Espo/Core/Utils/ClientManager.php
@@ -40,6 +40,7 @@ use Espo\Core\Utils\Config\ApplicationConfig;
 use Espo\Core\Utils\Config\SystemConfig;
 use Espo\Core\Utils\File\Manager as FileManager;
 
+use Espo\Core\Utils\Theme\MetadataProvider as ThemeMetadataProvider;
 use Slim\Psr7\Response as Psr7Response;
 use Slim\ResponseEmitter;
 
@@ -70,6 +71,7 @@ class ClientManager
         private LoaderParamsProvider $loaderParamsProvider,
         private SystemConfig $systemConfig,
         private ApplicationConfig $applicationConfig,
+        private ThemeMetadataProvider $themeMetadataProvider,
     ) {
         $this->nonce = Util::generateKey();
     }
@@ -168,6 +170,7 @@ class ClientManager
             runScript: $params->runScript,
             additionalScripts: $params->scripts,
             pageTitle: $params->pageTitle,
+            theme: $params->theme,
         );
     }
 
@@ -181,6 +184,7 @@ class ClientManager
         array $vars = [],
         array $additionalScripts = [],
         ?string $pageTitle = null,
+        ?string $theme = null,
     ): string {
 
         $runScript ??= $this->runScript;
@@ -232,6 +236,10 @@ class ClientManager
             $this->module->getInternalList()
         );
 
+        $stylesheet = $theme ?
+            $this->themeMetadataProvider->getStylesheet($theme) :
+            $this->themeManager->getStylesheet();
+
         $data = [
             'applicationId' => $this->applicationId,
             'apiUrl' => $this->apiUrl,
@@ -239,7 +247,8 @@ class ClientManager
             'cacheTimestamp' => $cacheTimestamp,
             'appTimestamp' => $appTimestamp,
             'loaderCacheTimestamp' => Json::encode($loaderCacheTimestamp),
-            'stylesheet' => $this->themeManager->getStylesheet(),
+            'stylesheet' => $stylesheet,
+            'theme' => Json::encode($theme),
             'runScript' => $runScript,
             'basePath' => $this->basePath,
             'useCache' => $useCache ? 'true' : 'false',
diff --git a/application/Espo/Core/Utils/Theme/MetadataProvider.php b/application/Espo/Core/Utils/Theme/MetadataProvider.php
new file mode 100644
index 0000000000..cb74a0d1d3
--- /dev/null
+++ b/application/Espo/Core/Utils/Theme/MetadataProvider.php
@@ -0,0 +1,55 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Utils\Theme;
+
+use Espo\Core\Utils\Metadata;
+
+/**
+ * @internal
+ * @since 9.1.0
+ */
+class MetadataProvider
+{
+    private string $defaultStylesheet = 'client/css/espo/espo.css';
+
+    public function __construct(
+        private Metadata $metadata,
+    ) {}
+
+    public function getStylesheet(string $theme): string
+    {
+        return $this->metadata->get("themes.$theme.stylesheet") ?? $this->defaultStylesheet;
+    }
+
+    public function isDark(string $theme): bool
+    {
+        return (bool) $this->metadata->get("themes.$theme.isDark");
+    }
+}
diff --git a/application/Espo/Core/Utils/ThemeManager.php b/application/Espo/Core/Utils/ThemeManager.php
index b0efe7ddbc..2baf4b9b6e 100644
--- a/application/Espo/Core/Utils/ThemeManager.php
+++ b/application/Espo/Core/Utils/ThemeManager.php
@@ -29,15 +29,18 @@
 
 namespace Espo\Core\Utils;
 
+use Espo\Core\Utils\Theme\MetadataProvider;
+
 class ThemeManager
 {
     private string $defaultName = 'Espo';
-    private string $defaultStylesheet = 'client/css/espo/espo.css';
+
     private string $defaultLogoSrc = 'client/img/logo.svg';
 
     public function __construct(
         private Config $config,
-        private Metadata $metadata
+        private Metadata $metadata,
+        private MetadataProvider $metadataProvider,
     ) {}
 
     public function getName(): string
@@ -47,7 +50,7 @@ class ThemeManager
 
     public function getStylesheet(): string
     {
-        return $this->metadata->get(['themes', $this->getName(), 'stylesheet']) ?? $this->defaultStylesheet;
+        return $this->metadataProvider->getStylesheet($this->getName());
     }
 
     public function getLogoSrc(): string
@@ -57,6 +60,6 @@ class ThemeManager
 
     public function isDark(): bool
     {
-        return (bool) $this->metadata->get("themes.{$this->getName()}.isDark");
+        return $this->metadataProvider->isDark($this->getName());
     }
 }
diff --git a/application/Espo/Entities/LeadCapture.php b/application/Espo/Entities/LeadCapture.php
index d7c71dcf5f..f035f7504c 100644
--- a/application/Espo/Entities/LeadCapture.php
+++ b/application/Espo/Entities/LeadCapture.php
@@ -221,8 +221,19 @@ class LeadCapture extends Entity
         return (bool) $this->get('formEnabled');
     }
 
+    /**
+     * @since 9.1.0
+     */
     public function getFormTitle(): ?string
     {
         return $this->get('formTitle');
     }
+
+    /**
+     * @since 9.1.0
+     */
+    public function getFormTheme(): ?string
+    {
+        return $this->get('formTheme');
+    }
 }
diff --git a/application/Espo/EntryPoints/LeadCaptureForm.php b/application/Espo/EntryPoints/LeadCaptureForm.php
index 7c14a3ed3b..772ba04301 100644
--- a/application/Espo/EntryPoints/LeadCaptureForm.php
+++ b/application/Espo/EntryPoints/LeadCaptureForm.php
@@ -73,7 +73,8 @@ class LeadCaptureForm implements EntryPoint
 
         $params = $params
             ->withFrameAncestors($leadCapture->getFormFrameAncestors())
-            ->withPageTitle($leadCapture->getFormTitle());
+            ->withPageTitle($leadCapture->getFormTitle())
+            ->withTheme($leadCapture->getFormTheme());
 
         if ($captchaScript) {
             $params = $params->withScripts([new Script(source: $captchaScript)]);
diff --git a/application/Espo/Resources/i18n/en_US/LeadCapture.json b/application/Espo/Resources/i18n/en_US/LeadCapture.json
index 94d61d8afb..2857087892 100644
--- a/application/Espo/Resources/i18n/en_US/LeadCapture.json
+++ b/application/Espo/Resources/i18n/en_US/LeadCapture.json
@@ -29,6 +29,7 @@
         "formEnabled": "Web Form",
         "formUrl": "Form URL",
         "formTitle": "Form Title",
+        "formTheme": "Form Theme",
         "formSuccessText": "Text to display after form submission",
         "formText": "Text to display on form",
         "formSuccessRedirectUrl": "URL to redirect to after form submission",
diff --git a/application/Espo/Resources/layouts/LeadCapture/detail.json b/application/Espo/Resources/layouts/LeadCapture/detail.json
index c6d416bc47..0404ef3d66 100644
--- a/application/Espo/Resources/layouts/LeadCapture/detail.json
+++ b/application/Espo/Resources/layouts/LeadCapture/detail.json
@@ -18,7 +18,8 @@
             [{"name": "formEnabled"}, {"name": "formTitle"}],
             [{"name": "formText"}, {"name": "formSuccessText"}],
             [{"name": "formSuccessRedirectUrl"}, {"name": "formLanguage"}],
-            [{"name": "formFrameAncestors"}, {"name": "formCaptcha"}]
+            [{"name": "formFrameAncestors"}, {"name": "formCaptcha"}],
+            [{"name": "formTheme"}, false]
         ]
     },
     {
diff --git a/application/Espo/Resources/metadata/clientDefs/LeadCapture.json b/application/Espo/Resources/metadata/clientDefs/LeadCapture.json
index 1906648618..0422368825 100644
--- a/application/Espo/Resources/metadata/clientDefs/LeadCapture.json
+++ b/application/Espo/Resources/metadata/clientDefs/LeadCapture.json
@@ -164,6 +164,16 @@
                     ]
                 }
             },
+            "formTheme": {
+                "visible": {
+                    "conditionGroup": [
+                        {
+                            "type": "isTrue",
+                            "attribute": "formEnabled"
+                        }
+                    ]
+                }
+            },
             "formText": {
                 "visible": {
                     "conditionGroup": [
diff --git a/application/Espo/Resources/metadata/entityDefs/LeadCapture.json b/application/Espo/Resources/metadata/entityDefs/LeadCapture.json
index 938c366e2b..51570e4da1 100644
--- a/application/Espo/Resources/metadata/entityDefs/LeadCapture.json
+++ b/application/Espo/Resources/metadata/entityDefs/LeadCapture.json
@@ -136,6 +136,12 @@
             "type": "varchar",
             "maxLength": 80
         },
+        "formTheme": {
+            "type": "enum",
+            "maxLength": 64,
+            "view": "views/lead-capture/fields/form-theme",
+            "translation": "Global.themes"
+        },
         "formText": {
             "type": "text",
             "tooltip": "optInConfirmationSuccessMessage"
diff --git a/application/Espo/Tools/LeadCapture/FormService.php b/application/Espo/Tools/LeadCapture/FormService.php
index a597cdaab7..739e2eb8ac 100644
--- a/application/Espo/Tools/LeadCapture/FormService.php
+++ b/application/Espo/Tools/LeadCapture/FormService.php
@@ -36,6 +36,7 @@ use Espo\Core\Utils\Config;
 use Espo\Core\Utils\DataCache;
 use Espo\Core\Utils\Language;
 use Espo\Core\Utils\Metadata;
+use Espo\Core\Utils\Theme\MetadataProvider as ThemeMetadataProvider;
 use Espo\Core\Utils\ThemeManager;
 use Espo\Entities\Integration;
 use Espo\Entities\LeadCapture;
@@ -60,6 +61,7 @@ class FormService
         private DataCache $dataCache,
         private ThemeManager $themeManager,
         private Config\SystemConfig $systemConfig,
+        private ThemeMetadataProvider $themeMetadataProvider,
     ) {}
 
     /**
@@ -75,7 +77,6 @@ class FormService
         $data = $this->getDataInternal($leadCapture);
 
         $data['captchaKey'] = $captchaKey;
-        $data['isDark'] = $this->themeManager->isDark();
 
         return [$leadCapture, $data, $captchaScript];
     }
@@ -413,6 +414,7 @@ class FormService
                     'regExpPatterns' => $this->metadata->get("app.regExpPatterns"),
                 ],
             ],
+            'isDark' => $this->isDark($leadCapture),
             'detailLayout' => $detailLayout,
             'language' => $languageData,
             'successText' => $successText,
@@ -465,4 +467,13 @@ class FormService
 
         return 'https://www.google.com/recaptcha/api.js?render=' . $siteKey;
     }
+
+    private function isDark(LeadCapture $leadCapture): bool
+    {
+        if (!$leadCapture->getFormTheme()) {
+            return $this->themeManager->isDark();
+        }
+
+        return $this->themeMetadataProvider->isDark($leadCapture->getFormTheme());
+    }
 }
diff --git a/client/src/app.js b/client/src/app.js
index ac1d217ffe..76480a2f4a 100644
--- a/client/src/app.js
+++ b/client/src/app.js
@@ -116,6 +116,11 @@ class App {
          */
         this.internalModuleList = options.internalModuleList || [];
 
+        /**
+         * @private
+         */
+        this.themeName = options.theme || null;
+
         /**
          * A list of bundled modules.
          *
@@ -433,7 +438,7 @@ class App {
 
                 this.fieldManager.acl = this.acl;
 
-                this.themeManager = new ThemeManager(this.settings, this.preferences, this.metadata);
+                this.themeManager = new ThemeManager(this.settings, this.preferences, this.metadata, this.themeName);
                 this.modelFactory = new ModelFactory(this.metadata);
                 this.collectionFactory = new CollectionFactory(this.modelFactory, this.settings, this.metadata);
 
@@ -1561,6 +1566,7 @@ class App {
  * @property {string} [bundledModuleList] A list of bundled modules.
  * @property {Number|null} [cacheTimestamp] A cache timestamp.
  * @property {Number|null} [appTimestamp] An application timestamp.
+ * @property {string|null} [theme] A theme name.
  */
 
 Object.assign(App.prototype, Events);
diff --git a/client/src/theme-manager.js b/client/src/theme-manager.js
index 644b1e48d9..977325dc36 100644
--- a/client/src/theme-manager.js
+++ b/client/src/theme-manager.js
@@ -37,7 +37,7 @@ class ThemeManager {
      * @param {module:models/settings} config A config.
      * @param {module:models/preferences} preferences Preferences.
      * @param {module:metadata} metadata Metadata.
-     * @param {?string} [name] A name. If not set, then will be obtained from config and preferences.
+     * @param {string|null} [name] A name. If not set, then will be obtained from config and preferences.
      */
     constructor(config, preferences, metadata, name) {
         /**
@@ -60,7 +60,13 @@ class ThemeManager {
 
         /**
          * @private
-         * @type {?string}
+         * @type {boolean}
+         */
+        this.useConfig = !name;
+
+        /**
+         * @private
+         * @type {string|null}
          */
         this.name = name || null;
     }
@@ -220,11 +226,15 @@ class ThemeManager {
 
         let values = null;
 
-        if (!this.config.get('userThemesDisabled') && this.preferences.get('theme')) {
+        if (
+            this.useConfig &&
+            !this.config.get('userThemesDisabled') &&
+            this.preferences.get('theme')
+        ) {
             values = this.preferences.get('themeParams');
         }
 
-        if (!values) {
+        if (!values && this.useConfig) {
             values = this.config.get('themeParams');
         }
 
diff --git a/client/src/views/lead-capture/fields/form-theme.js b/client/src/views/lead-capture/fields/form-theme.js
new file mode 100644
index 0000000000..4b3c0b252b
--- /dev/null
+++ b/client/src/views/lead-capture/fields/form-theme.js
@@ -0,0 +1,46 @@
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+import EnumFieldView from 'views/fields/enum';
+
+export default class FormThemeFieldView extends EnumFieldView {
+
+    setupOptions() {
+        const list = Object.keys(this.getMetadata().get('themes') || {})
+            .sort((v1, v2) => {
+                if (v2 === 'EspoRtl') {
+                    return -1;
+                }
+
+                return this.translate(v1, 'theme')
+                    .localeCompare(this.translate(v2, 'theme'));
+            });
+
+        this.params.options = ['', ...list];
+    }
+}
diff --git a/html/main.html b/html/main.html
index 866326c552..59acb0113d 100644
--- a/html/main.html
+++ b/html/main.html
@@ -31,6 +31,7 @@
                     ajaxTimeout: {{ajaxTimeout}},
                     internalModuleList: {{internalModuleList}},
                     bundledModuleList: {{bundledModuleList}},
+                    theme: {{theme}},
                 }, app => {
                         loadedApp = app;