diff --git a/dev/tests/integration/testsuite/Magento/Theme/Model/_files/design/frontend/Test/default/web/source.less b/dev/tests/integration/testsuite/Magento/Theme/Model/_files/design/frontend/Test/default/web/source.less
index 55c1888d8d68..97b782f383dd 100644
--- a/dev/tests/integration/testsuite/Magento/Theme/Model/_files/design/frontend/Test/default/web/source.less
+++ b/dev/tests/integration/testsuite/Magento/Theme/Model/_files/design/frontend/Test/default/web/source.less
@@ -3,7 +3,7 @@
 //  * See COPYING.txt for license details.
 //  */
 
-@color: #4D926F;
+@color: #4d926f;
 
 #header {
   color: @color;
diff --git a/lib/web/css/source/lib/variables/_colors.less b/lib/web/css/source/lib/variables/_colors.less
index ffb0e8e797d8..ce6945b7c41e 100644
--- a/lib/web/css/source/lib/variables/_colors.less
+++ b/lib/web/css/source/lib/variables/_colors.less
@@ -82,7 +82,7 @@
 
 @color-blue1: #1979c3;
 @color-blue2: #006bb4;
-@color-blue3: #00699D;
+@color-blue3: #00699d;
 @color-sky-blue1: #68a8e0;
 
 @color-pink1: #fae5e5;