diff --git a/docs/configuration.md b/docs/configuration.md
index e97d8df..1dc1148 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -53,6 +53,7 @@ This part of the configuration concerns anything that can affect the whole site.
     - `secondary`: link colour, current [[graph view|graph]] node
     - `tertiary`: hover states and visited [[graph view|graph]] nodes
     - `highlight`: internal link background, highlighted text, [[syntax highlighting|highlighted lines of code]]
+    - `textHighlight`: markdown highlighted text background
 
 ## Plugins
 
diff --git a/quartz.config.ts b/quartz.config.ts
index fa08723..b6abbb2 100644
--- a/quartz.config.ts
+++ b/quartz.config.ts
@@ -36,6 +36,7 @@ const config: QuartzConfig = {
           secondary: "#284b63",
           tertiary: "#84a59d",
           highlight: "rgba(143, 159, 169, 0.15)",
+          textHighlight: "#fff23688",
         },
         darkMode: {
           light: "#161618",
@@ -46,6 +47,7 @@ const config: QuartzConfig = {
           secondary: "#7b97aa",
           tertiary: "#84a59d",
           highlight: "rgba(143, 159, 169, 0.15)",
+          textHighlight: "#b3aa0288",
         },
       },
     },
diff --git a/quartz/styles/base.scss b/quartz/styles/base.scss
index 37aa8ce..52cd102 100644
--- a/quartz/styles/base.scss
+++ b/quartz/styles/base.scss
@@ -20,11 +20,10 @@ section {
 }
 
 .text-highlight {
-  background-color: #fff23688;
+  background-color: var(--textHighlight);
   padding: 0 0.1rem;
   border-radius: 5px;
 }
-
 ::selection {
   background: color-mix(in srgb, var(--tertiary) 60%, rgba(255, 255, 255, 0));
   color: var(--darkgray);
diff --git a/quartz/util/theme.ts b/quartz/util/theme.ts
index d3bfb9a..9046cec 100644
--- a/quartz/util/theme.ts
+++ b/quartz/util/theme.ts
@@ -7,6 +7,7 @@ export interface ColorScheme {
   secondary: string
   tertiary: string
   highlight: string
+  textHighlight: string
 }
 
 interface Colors {
@@ -49,6 +50,7 @@ ${stylesheet.join("\n\n")}
   --secondary: ${theme.colors.lightMode.secondary};
   --tertiary: ${theme.colors.lightMode.tertiary};
   --highlight: ${theme.colors.lightMode.highlight};
+  --textHighlight: ${theme.colors.lightMode.textHighlight};
 
   --headerFont: "${theme.typography.header}", ${DEFAULT_SANS_SERIF};
   --bodyFont: "${theme.typography.body}", ${DEFAULT_SANS_SERIF};
@@ -64,6 +66,7 @@ ${stylesheet.join("\n\n")}
   --secondary: ${theme.colors.darkMode.secondary};
   --tertiary: ${theme.colors.darkMode.tertiary};
   --highlight: ${theme.colors.darkMode.highlight};
+  --textHighlight: ${theme.colors.darkMode.textHighlight};
 }
 `
 }