diff --git a/colors/colors-tests.ts b/colors/colors-tests.ts
index bf83f6005..a7f595fdf 100644
--- a/colors/colors-tests.ts
+++ b/colors/colors-tests.ts
@@ -1,5 +1,18 @@
 
 ///<reference path="colors.d.ts" />
 
+import colors = require("colors");
+
 var test:string = 'test';
 var arr:string[] = ['color', 'odd'.italic.zebra, 'radical'.bold.rainbow, test.underline + 'super'.green];
+
+colors.black("abc").trim();
+colors.red("abc").trim();
+colors.green("abc").trim();
+colors.yellow("abc").trim();
+colors.blue("abc").trim();
+colors.magenta("abc").trim();
+colors.cyan("abc").trim();
+colors.white("abc").trim();
+colors.gray("abc").trim();
+colors.grey("abc").trim();
diff --git a/colors/colors.d.ts b/colors/colors.d.ts
index e6056b354..8332ac5bb 100644
--- a/colors/colors.d.ts
+++ b/colors/colors.d.ts
@@ -5,6 +5,17 @@
 
 declare module "colors" {
     export function setTheme(theme:any):any;
+
+    export function black(text: string): string;
+    export function red(text: string): string;
+    export function green(text: string): string;
+    export function yellow(text: string): string;
+    export function blue(text: string): string;
+    export function magenta(text: string): string;
+    export function cyan(text: string): string;
+    export function white(text: string): string;
+    export function gray(text: string): string;
+    export function grey(text: string): string;
 }
 
 interface String {