diff --git a/exampleSite/config/_default/config.toml b/exampleSite/config/_default/config.toml
index c4e6833ad0..21517623e0 100644
--- a/exampleSite/config/_default/config.toml
+++ b/exampleSite/config/_default/config.toml
@@ -220,7 +220,7 @@ title = "Hugo Relearn Documentation"
   disableLandingPageButton = true
   breadcrumbSeparator = ">"
   titleSeparator = "::"
-  themeVariant = [ "auto", "relearn-bright", "relearn-light", "relearn-dark", "learn", "neon", "blue", "green", "red" ]
+  themeVariant = [ "auto", "relearn-bright", "relearn-light", "relearn-dark", "zen-light", "zen-dark", "neon", "learn", "blue", "green", "red" ]
   themeVariantAuto = [ "relearn-light", "relearn-dark" ]
   disableSeoHiddenPages = true
   # this is to index search for your native language in other languages, too (eg.
diff --git a/exampleSite/content/basics/migration/_index.en.md b/exampleSite/content/basics/migration/_index.en.md
index 5411d70eac..0515a654f8 100644
--- a/exampleSite/content/basics/migration/_index.en.md
+++ b/exampleSite/content/basics/migration/_index.en.md
@@ -20,6 +20,8 @@ This document shows you what's new in the latest release. For a detailed list of
 
 ## 5.19.0 (0000-00-00) {#000}
 
+- {{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The theme has added two new color variants `zen-light` and `zen-dark`.
+
 - {{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The theme has updated its Mermaid dependency to 10.3.1. This adds support for the [sankey diagram type]({{% relref "shortcodes/mermaid#sankey" %}}) and now comes with full support for YAML inside Mermaid graphs (previously, the theme ignored explicit Mermaid theme settings in YAML).
 
 - {{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Translation into Hungarian.
diff --git a/static/css/theme-zen-dark.css b/static/css/theme-zen-dark.css
new file mode 100644
index 0000000000..469be83f6a
--- /dev/null
+++ b/static/css/theme-zen-dark.css
@@ -0,0 +1,53 @@
+/* here in this showcase we use our own modified chroma syntax highlightning style;
+   if you want to use a predefined style instead:
+   - remove `markup.highlight.noClasses` from your config.toml
+   - set `markup.highlight.style` to a predefined style name in your config.toml
+   - remove the following `@import` of the self-defined chroma stylesheet */
+@import "chroma-relearn-dark.css";
+
+:root {
+  --PRIMARY-color: rgba( 131, 201, 50, 1 ); /* brand primary color */
+  --SECONDARY-color: rgba( 47, 129, 235, 1 ); /* brand secondary color */
+  --ACCENT-color: rgba( 255, 136, 255, 1 ); /* brand accent color, used for search highlights */
+  --MAIN-TEXT-color: rgba( 224, 224, 224, 1 ); /* text color of content and h1 titles */
+  --MAIN-LINK-HOVER-color: rgb(112, 174, 245); /* hovered link color of content */
+  --MAIN-BG-color: rgba( 32, 32, 32, 1 ); /* background color of content */
+  --MAIN-TITLES-TEXT-color: rgba( 255, 255, 255, 1 ); /* text color of h2-h6 titles and transparent box tles */
+  /* adjusted to relearn-dark chroma style */
+  --CODE-BLOCK-color: rgba( 248, 248, 248, 1 ); /* fallback text color of block code; should be adjusted  your selected chroma style */
+  --CODE-BLOCK-BG-color: rgba( 43, 43, 43, 1 ); /* fallback background color of block code; should be justed to your selected chroma style */
+  --CODE-BLOCK-BORDER-color: rgba( 71, 71, 71, 1 ); /* border color of block code */
+  --CODE-INLINE-color: rgba( 130, 229, 80, 1 ); /* text color of inline code */
+  --CODE-INLINE-BG-color: rgba( 45, 45, 45, 1 ); /* background color of inline code */
+  --CODE-INLINE-BORDER-color: rgba( 71, 71, 71, 1 ); /* border color of inline code */
+  --BROWSER-theme: dark; /* name of the theme for browser scrollbars of the main section */
+  --MERMAID-theme: dark; /* name of the default Mermaid theme for this variant, can be overridden in nfig.toml */
+  --OPENAPI-theme: dark; /* name of the default OpenAPI theme for this variant, can be overridden in nfig.toml */
+  --OPENAPI-CODE-theme: obsidian; /* name of the default OpenAPI code theme for this variant, can be erridden in config.toml */
+  --MENU-HEADER-BG-color: transparent; /* background color of menu header */
+  --MENU-HEADER-BORDER-color: transparent; /* separator color of menu header */
+  --MENU-HOME-LINK-color: rgba( 224, 224, 224, 1 ); /* home button color if configured */
+  --MENU-HOME-LINK-HOVER-color: rgba( 0, 0, 0, 1 ); /* hovered home button color if configured */
+  --MENU-SEARCH-color: rgba( 47, 129, 235, 1 ); /* text and icon color of search box */
+  --MENU-SEARCH-BG-color: rgba( 32, 32, 32, 1 ); /* background color of search box */
+  --MENU-SEARCH-BORDER-color: rgba( 71, 71, 71, .66 ); /* border color of search box */
+  --MENU-SECTIONS-BG-color: rgba( 39, 39, 39, 1 ); /* background of the menu; this is NOT just a color lue but can be a complete CSS background definition including gradients, etc. */
+  --MENU-SECTIONS-ACTIVE-BG-color: transparent; /* background color of the active menu section */
+  --MENU-SECTIONS-LINK-color: rgba( 224, 224, 224, .75 ); /* link color of menu topics */
+  --MENU-SECTIONS-LINK-HOVER-color: rgba( 47, 129, 235, 1 ); /* hoverd link color of menu topics */
+  --MENU-SECTION-ACTIVE-CATEGORY-color: rgba( 47, 129, 235, 1 ); /* text color of the displayed menu topic */
+  --MENU-SECTION-ACTIVE-CATEGORY-BG-color: rgba( 32, 32, 32, 1 ); /* background color of the displayed menu topic */
+  --MENU-SECTION-HR-color: rgba( 71, 71, 71, 1 ); /* separator color of menu footer */
+  --BOX-CAPTION-color: rgba( 240, 240, 240, 1 ); /* text color of colored box titles */
+  --BOX-BG-color: rgba( 20, 20, 20, 1 ); /* background color of colored boxes */
+  --BOX-TEXT-color: rgba( 224, 224, 224, 1 ); /* text color of colored box content */
+  --BOX-GREY-color: rgba( 71, 71, 71, 1 ); /* background color of grey boxes */
+}
+
+body a#logo,
+body a#logo:hover,
+body #logo svg,
+body #logo svg * {
+    color: var(--MENU-HOME-LINK-color);
+    fill: var(--MENU-HOME-LINK-color) !important;
+}
diff --git a/static/css/theme-zen-light.css b/static/css/theme-zen-light.css
new file mode 100644
index 0000000000..feadb8d309
--- /dev/null
+++ b/static/css/theme-zen-light.css
@@ -0,0 +1,52 @@
+/* here in this showcase we use our own modified chroma syntax highlightning style;
+   if you want to use a predefined style instead:
+   - remove `markup.highlight.noClasses` from your config.toml
+   - set `markup.highlight.style` to a predefined style name in your config.toml
+   - remove the following `@import` of the self-defined chroma stylesheet */
+@import "chroma-relearn-light.css";
+
+:root {
+  --PRIMARY-color: rgba( 131, 201, 50, 1 ); /* brand primary color */
+  --SECONDARY-color: rgba( 26, 115, 232, 1 ); /* brand secondary color */
+  --ACCENT-color: rgba( 255, 136, 255, 1 ); /* brand accent color, used for search highlights */
+  --MAIN-LINK-HOVER-color: rgba( 32, 40, 145, 1 ); /* hoverd link color of content */
+  --MAIN-BG-color: /* background color of content */
+  --MAIN-TEXT-color: rgba( 16, 16, 16, 1 ); /* text color of content and h1 titles */
+  --MAIN-TITLES-TEXT-color: rgba( 74, 74, 74, 1 ); /* text color of h2-h6 titles and transparent box titles */
+  --CODE-BLOCK-color: rgba( 0, 0, 0, 1 ); /* fallback text color of block code; should be adjusted to your selected chroma style */
+  --CODE-BLOCK-BG-color: rgba( 248, 248, 248, 1 ); /* fallback background color of block code; should be adjusted to your selected chroma style */
+  --CODE-BLOCK-BORDER-color: rgba( 210, 210, 210, 1 ); /* border color of block code */
+  --CODE-INLINE-color: rgba( 94, 94, 94, 1 ); /* text color of inline code */
+  --CODE-INLINE-BG-color: rgba( 255, 250, 233, 1 ); /* background color of inline code */
+  --CODE-INLINE-BORDER-color: rgba( 248, 232, 200, 1 ); /* border color of inline code */
+  --BROWSER-theme: light; /* name of the theme for browser scrollbars of the main section */
+  --MERMAID-theme: default; /* name of the default Mermaid theme for this variant, can be overridden in config.toml */
+  --OPENAPI-theme: light; /* name of the default OpenAPI theme for this variant, can be overridden in config.toml */
+  --OPENAPI-CODE-theme: obsidian; /* name of the default OpenAPI coee theme for this variant, can be overridden in config.toml */
+  --MENU-HEADER-BG-color: transparent; /* background color of menu header */
+  --MENU-HEADER-BORDER-color: transparent; /* separator color of menu header */
+  --MENU-HOME-LINK-color: rgba( 64, 64, 64, 1 ); /* home button color if configured */
+  --MENU-HOME-LINK-HOVER-color: rgba( 0, 0, 0, 1 ); /* hoverd home button color if configured */
+  --MENU-SEARCH-color: rgba( 26, 115, 232, 1 ); /* text and icon color of search box */
+  --MENU-SEARCH-BG-color: rgba( 255, 255, 255, 1 ); /* background color of search box */
+  --MENU-SEARCH-BORDER-color: rgba( 210, 210, 210, .66 ); /* border color of search box */
+  --MENU-SECTIONS-BG-color: rgba( 134, 134, 134, .066 ); /* background of the menu; this is NOT just a color value but can be a complete CSS background definition including gradients, etc. */
+  --MENU-SECTIONS-ACTIVE-BG-color: transparent; /* background color of the active menu section */
+  --MENU-SECTIONS-LINK-color: rgba( 16, 16, 16, 1 ); /* link color of menu topics */
+  --MENU-SECTIONS-LINK-HOVER-color: rgba( 26, 115, 232, 1 ); /* hoverd link color of menu topics */
+  --MENU-SECTION-ACTIVE-CATEGORY-color: rgba( 26, 115, 232, 1 ); /* text color of the displayed menu topic */
+  --MENU-SECTION-ACTIVE-CATEGORY-BG-color: rgba( 255, 255, 255, 1 ); /* background color of the displayed menu topic */
+  --MENU-SECTION-HR-color: rgba( 210, 210, 210, 1 ); /* separator color of menu footer */
+  --BOX-CAPTION-color: rgba( 255, 255, 255, 1 ); /* text color of colored box titles */
+  --BOX-BG-color: rgba( 255, 255, 255, .833 ); /* background color of colored boxes */
+  --BOX-TEXT-color: rgba( 16, 16, 16, 1 ); /* text color of colored box content */
+  --BOX-GREY-color: rgba( 210, 210, 210, 1 ); /* background color of grey boxes */
+}
+
+body a#logo,
+body a#logo:hover,
+body #logo svg,
+body #logo svg * {
+    color: var(--MENU-HOME-LINK-color);
+    fill: var(--MENU-HOME-LINK-color) !important;
+}