diff --git a/theme/blog_share_theme_coffee.css b/theme/blog_share_theme_coffee.css
index fc5d43a..268b61f 100644
--- a/theme/blog_share_theme_coffee.css
+++ b/theme/blog_share_theme_coffee.css
@@ -20,6 +20,7 @@ html.theme-light {
     --text-link: #8e2d53;
     --text-menu-active: #E8E3C3;
     color-scheme: light;
+    --model-viewer-color: #345600;
 }
 
 html.theme-dark {
@@ -37,6 +38,7 @@ html.theme-dark {
     --text-link: #ec8f89;
     --text-menu-active: #1d150f;
     color-scheme: dark;
+    --model-viewer-color: #cdb878;
 }
 
 body {
diff --git a/theme/blog_share_theme_harbor.css b/theme/blog_share_theme_harbor.css
index 08d4dc3..48eed42 100644
--- a/theme/blog_share_theme_harbor.css
+++ b/theme/blog_share_theme_harbor.css
@@ -20,6 +20,7 @@ html.theme-light {
     --text-link: #4c6c94;
     --text-menu-active: #dfe4c4;
     color-scheme: light;
+    --model-viewer-color: #556753;
 }
 
 html.theme-dark {
@@ -37,6 +38,7 @@ html.theme-dark {
     --text-link: #e58980;
     --text-menu-active: #1b1b1b;
     color-scheme: dark;
+    --model-viewer-color: #a99b7a;
 }
 
 body {
diff --git a/theme/blog_share_theme_solarized.css b/theme/blog_share_theme_solarized.css
index 6eb209a..2e74049 100644
--- a/theme/blog_share_theme_solarized.css
+++ b/theme/blog_share_theme_solarized.css
@@ -25,6 +25,7 @@ html.theme-light {
     --text-link: #268bd2;
     --text-menu-active: #fdf6e3;
     color-scheme: light;
+    --model-viewer-color: #859900;
 }
 
 html.theme-dark {
@@ -42,6 +43,7 @@ html.theme-dark {
     --text-link: #268bd2;
     --text-menu-active: #002b36;
     color-scheme: dark;
+    --model-viewer-color: #859900;
 }
 
 body {