diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2fe5d8096d0..90fc110565c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # [`master`](https://github.com/elastic/eui/tree/master)
 
+- Adjust `EuiCallOut` and dark theme warning coloring ([#563](https://github.com/elastic/eui/pull/563))
+
 **Bug fixes**
 
 - Fixed `EuiToolTip` bug which caused the tooltip to hide when moving the mouse around inside of the trigger element ([#557](https://github.com/elastic/eui/pull/557))
diff --git a/src/components/call_out/_call_out.scss b/src/components/call_out/_call_out.scss
index 54a8a0b2c75..b0ed06447b6 100644
--- a/src/components/call_out/_call_out.scss
+++ b/src/components/call_out/_call_out.scss
@@ -11,7 +11,7 @@
 $callOutTypes: (
   primary: $euiColorPrimary,
   success: $euiColorSecondary,
-  warning: $euiColorWarning,
+  warning: adjust-hue($euiColorWarning, 20%),
   danger: $euiColorDanger,
 );
 
diff --git a/src/themes/eui/eui_colors_dark.scss b/src/themes/eui/eui_colors_dark.scss
index 10db048cab6..486ea18c2f5 100644
--- a/src/themes/eui/eui_colors_dark.scss
+++ b/src/themes/eui/eui_colors_dark.scss
@@ -8,6 +8,7 @@ $euiColorDarkShade: #D9D9D9;
 $euiColorDarkestShade: #F5F5F5;
 $euiColorFullShade: #FFF;
 $euiColorPrimary: #4da1c0;
+$euiColorWarning: #e45c29;
 $euiColorDanger: #bf4d4d;
 $euiTextColor: #DDD;