diff --git a/colors/colors-tests.ts b/colors/colors-tests.ts
index 15fd5ab4e5..1b9b12834e 100644
--- a/colors/colors-tests.ts
+++ b/colors/colors-tests.ts
@@ -3,9 +3,15 @@
 
 import colors = require("colors");
 
+colors.enabled = true;
+
 console.log(colors.black.underline('test'));
 console.log(colors.rainbow.black.blue.gray('test'));
 console.log(colors.random.reset.bgWhite.dim('test'));
 console.log('test'.black.underline);
 console.log('test'.rainbow.black.blue.gray);
 console.log('test'.random.reset.bgWhite.dim);
+
+colors.enabled = false;
+
+console.log(colors.black.underline('test'));
diff --git a/colors/colors.d.ts b/colors/colors.d.ts
index 7a78240287..8ce8cca8b7 100644
--- a/colors/colors.d.ts
+++ b/colors/colors.d.ts
@@ -47,6 +47,8 @@ declare module "colors" {
     namespace e {
         export function setTheme(theme:any): void;
 
+        export var enabled: boolean;
+
         export var black: Color;
         export var red: Color;
         export var green: Color;