diff --git a/theme.css b/theme.css
index 5b67c79..c086731 100644
--- a/theme.css
+++ b/theme.css
@@ -16,6 +16,11 @@ settings:
         title: Protanopia & Deuteranopia
         type: class-toggle
         default: off
+    -        
+        id: colorblind_tritan
+        title: Tritanopia
+        type: class-toggle
+        default: off
     -
 
         # Callout Settings
@@ -813,6 +818,29 @@ body.colorblind_protan-deutan.theme-light {
     --color-btn-primary-hover-bg: #0969da;
 }
 
+body.colorblind_tritan.theme-dark {
+    --color-green-rgb: 165, 214, 255;
+    --color-green: #a5d6ff;
+    --color-orange: #ffa198;
+
+    --text-highlight-bg: rgba(255, 0, 0, 0.4);
+    --text-highlight-bg-active: rgba(255, 50, 0, 0.4);
+
+    --color-btn-primary-bg: #1f6feb;
+    --color-btn-primary-hover-bg: #388bfd;
+}
+body.colorblind_tritan.theme-light {
+    --color-green-rgb: 12, 181, 79;
+    --color-green: #218bff;
+    --color-orange: #fa4549;
+
+    --text-highlight-bg: rgba(255, 0, 0, 0.4);
+    --text-highlight-bg-active: rgba(255, 50, 0, 0.4);
+
+    --color-btn-primary-bg: #218bff;
+    --color-btn-primary-hover-bg: #0969da;
+}
+
 /* Tables */
 .markdown-rendered td, 
 .markdown-rendered th {