diff --git a/packages/components/themes/base.js b/packages/components/themes/base.js
index a4e29601b2..f2a209b6b6 100644
--- a/packages/components/themes/base.js
+++ b/packages/components/themes/base.js
@@ -64,6 +64,7 @@ const Base = {
   fontFamily: "Open Sans, sans-serif, Arial",
   fontSize: "13px",
   interfaceDirection: "ltr",
+  separatorColor: "#eceef1",
 
   text: {
     color: black,
diff --git a/packages/components/themes/dark.js b/packages/components/themes/dark.js
index 275aca1b2f..89340a1cb0 100644
--- a/packages/components/themes/dark.js
+++ b/packages/components/themes/dark.js
@@ -58,6 +58,7 @@ const Dark = {
   fontFamily: "Open Sans, sans-serif, Arial",
   fontSize: "13px",
   interfaceDirection: "ltr",
+  separatorColor: "#474747",
 
   text: {
     color: grayMaxLight,