diff --git a/src/pyj/book_list/theme.pyj b/src/pyj/book_list/theme.pyj
index c6c97ded25..4a0aa216ef 100644
--- a/src/pyj/book_list/theme.pyj
+++ b/src/pyj/book_list/theme.pyj
@@ -3,7 +3,7 @@
 
 DARK = '#39322B'
 LIGHT = '#F6F3E9'
-LIGHT2 = '#d6d3c8'
+LIGHT_GRADIENT = 'linear-gradient(to bottom, ' + LIGHT + ', #b6b3a8)'
 
 def get_color(name):
     return {
@@ -27,7 +27,7 @@ def get_color(name):
 
         # Dialog colors
         'dialog-background': LIGHT,
-        'dialog-background2': LIGHT2,
+        'dialog-background-image': LIGHT_GRADIENT,
         'dialog-foreground': DARK,
     }[name]
 
diff --git a/src/pyj/modals.pyj b/src/pyj/modals.pyj
index 22ef9dd016..ac932f7cbd 100644
--- a/src/pyj/modals.pyj
+++ b/src/pyj/modals.pyj
@@ -42,7 +42,7 @@ class ModalContainer:
             min_width='25vw', max_width='75vw',
             border_radius='1em', padding='1em 2em', margin_right='1em', margin_left='1em',
             background=get_color('dialog-background'), color=get_color('dialog-foreground'),
-            background_image=str.format('linear-gradient(to bottom, {}, {})', get_color('dialog-background'), get_color('dialog-background2'))
+            background_image=get_color('dialog-background-image'), get_color('dialog-background'), get_color('dialog-background2')
         )
 
         # Close button style