diff --git a/AppKit/Themes/Aristo/Resources/window-standard-head-center.png b/AppKit/Themes/Aristo/Resources/window-standard-head-center.png
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diff --git a/AppKit/Themes/Aristo/Resources/window-standard-head-left.png b/AppKit/Themes/Aristo/Resources/window-standard-head-left.png
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diff --git a/AppKit/Themes/Aristo/Resources/window-standard-head-right.png b/AppKit/Themes/Aristo/Resources/window-standard-head-right.png
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diff --git a/AppKit/Themes/Aristo/Resources/window-standard-head-solid-bottom-center.png b/AppKit/Themes/Aristo/Resources/window-standard-head-solid-bottom-center.png
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diff --git a/AppKit/Themes/Aristo/Resources/window-standard-head-solid-bottom-left.png b/AppKit/Themes/Aristo/Resources/window-standard-head-solid-bottom-left.png
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diff --git a/AppKit/Themes/Aristo/Resources/window-standard-head-solid-bottom-right.png b/AppKit/Themes/Aristo/Resources/window-standard-head-solid-bottom-right.png
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diff --git a/AppKit/Themes/Aristo/Resources/window-standard-head-solid-center-center.png b/AppKit/Themes/Aristo/Resources/window-standard-head-solid-center-center.png
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diff --git a/AppKit/Themes/Aristo/Resources/window-standard-head-solid-center-left.png b/AppKit/Themes/Aristo/Resources/window-standard-head-solid-center-left.png
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diff --git a/AppKit/Themes/Aristo/Resources/window-standard-head-solid-center-right.png b/AppKit/Themes/Aristo/Resources/window-standard-head-solid-center-right.png
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diff --git a/AppKit/Themes/Aristo/Resources/window-standard-head-solid-top-center.png b/AppKit/Themes/Aristo/Resources/window-standard-head-solid-top-center.png
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diff --git a/AppKit/Themes/Aristo/Resources/window-standard-head-solid-top-left.png b/AppKit/Themes/Aristo/Resources/window-standard-head-solid-top-left.png
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index 000000000..774fb6659
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diff --git a/AppKit/Themes/Aristo/Resources/window-standard-head-solid-top-right.png b/AppKit/Themes/Aristo/Resources/window-standard-head-solid-top-right.png
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diff --git a/AppKit/Themes/Aristo/ThemeDescriptors.j b/AppKit/Themes/Aristo/ThemeDescriptors.j
index c5268dd39..6d0a3db40 100755
--- a/AppKit/Themes/Aristo/ThemeDescriptors.j
+++ b/AppKit/Themes/Aristo/ThemeDescriptors.j
@@ -2379,7 +2379,7 @@ var themedButtonValues = nil,
                 [@"title-vertical-alignment",   CPCenterVerticalTextAlignment],
                 [@"title-bar-height",           31],
 
-                [@"divider-color",              [CPColor colorWithHexString:@"858585"]],
+                [@"divider-color",              [CPColor colorWithHexString:@"979797"]],
                 [@"body-color",                 bezelColor],
                 [@"title-bar-height",           31],