diff --git a/themes/atom-dark-syntax.less b/themes/atom-dark-syntax.less
index ba77de9ae..b1c1293c5 100644
--- a/themes/atom-dark-syntax.less
+++ b/themes/atom-dark-syntax.less
@@ -126,6 +126,22 @@
   background-color: rgba(86, 45, 86, 0.75);
 }
 
+// String interpolation in Ruby, CoffeeScript, and others
+.source .string {
+  .source,
+  .meta.embedded.line {
+    color: #EDEDED;
+  }
+
+  .punctuation.section.embedded {
+    color: #00A0A0;
+
+    .source {
+      color: #00A0A0;  // Required for the end of embedded strings in Ruby #716
+    }
+  }
+}
+
 .string {
   color: #A8FF60;
 
diff --git a/themes/atom-light-syntax.less b/themes/atom-light-syntax.less
index 61e1cfcbe..594c5de7a 100644
--- a/themes/atom-light-syntax.less
+++ b/themes/atom-light-syntax.less
@@ -48,6 +48,23 @@
     color: #D14;
   }
 
+  // String interpolation in Ruby, CoffeeScript, and others
+  .source .string {
+    .source,
+    .meta.embedded.line {
+      color: #5A5A5A;
+    }
+
+    .punctuation.section.embedded {
+      color: #920B2D;
+
+      .source {
+        color: #920B2D;  // Required for the end of embedded strings in Ruby #716
+      }
+    }
+  }
+
+
   .constant {
     &.numeric {
       color: #D14;