diff --git a/src/editor/index.css b/src/editor/index.css
index 6bc7cd71..764cd756 100644
--- a/src/editor/index.css
+++ b/src/editor/index.css
@@ -148,7 +148,6 @@ span.ag-math {
   top: 0;
   position: relative;
   padding: 0;
-  color: #000;
   background: transparent;
 }
 
diff --git a/static/themes/dark.css b/static/themes/dark.css
index 67da7571..5f7f9f23 100755
--- a/static/themes/dark.css
+++ b/static/themes/dark.css
@@ -362,6 +362,10 @@ code {
   }
 }
 
+.ag-hide.ag-math > .ag-math-render {
+  color: #efefef;
+}
+
 #ag-editor-id pre.ag-code-block,
 #ag-editor-id pre.ag-html-block {
   padding: .4rem 1rem;
diff --git a/static/themes/light.css b/static/themes/light.css
index 47170f9e..d1c7166a 100644
--- a/static/themes/light.css
+++ b/static/themes/light.css
@@ -334,6 +334,10 @@ code {
   }
 }
 
+.ag-hide.ag-math > .ag-math-render {
+  color: #333333;
+}
+
 #ag-editor-id pre.ag-code-block,
 #ag-editor-id pre.ag-html-block {
   padding: .4rem 1rem;