diff --git a/lib/less/functions.js b/lib/less/functions.js
index 6e2e774f..6e039f8e 100644
--- a/lib/less/functions.js
+++ b/lib/less/functions.js
@@ -237,6 +237,18 @@ tree.functions = {
     },
     _isa: function (n, Type) {
         return (n instanceof Type) ? tree.True : tree.False;
+    },
+    
+    /* Blending modes */
+    
+    softlight: function(color1, color2) {
+        var t = color2.rgb[0] * color1.rgb[0] / 255;
+        var r = t + color1.rgb[0] * (255 - (255 - color1.rgb[0]) * (255 - color2.rgb[0]) / 255 - t) / 255;
+        t = color2.rgb[1] * color1.rgb[1] / 255;
+        var g = t + color1.rgb[1] * (255 - (255 - color1.rgb[1]) * (255 - color2.rgb[1]) / 255 - t) / 255;
+        t = color2.rgb[2] * color1.rgb[2] / 255;
+        var b = t + color1.rgb[2] * (255 - (255 - color1.rgb[2]) * (255 - color2.rgb[2]) / 255 - t) / 255;
+        return this.rgb(r, g, b);
     }
 };
 
diff --git a/test/css/functions.css b/test/css/functions.css
index 47731c27..b165f306 100644
--- a/test/css/functions.css
+++ b/test/css/functions.css
@@ -70,3 +70,6 @@
 #alpha {
   alpha: rgba(153, 94, 51, 0.6);
 }
+#blendmodes {
+  softlight: #ff0000;
+}
diff --git a/test/less/functions.less b/test/less/functions.less
index 94ac71ef..f40c25dd 100644
--- a/test/less/functions.less
+++ b/test/less/functions.less
@@ -77,3 +77,7 @@
 #alpha {
   alpha: darken(hsla(25, 50%, 50%, 0.6), 10%);
 }
+
+#blendmodes {
+  softlight: softlight(#f60000, #ffffff);
+}