diff --git a/chalk/chalk-tests.ts b/chalk/chalk-tests.ts
new file mode 100644
index 000000000..208709e5b
--- /dev/null
+++ b/chalk/chalk-tests.ts
@@ -0,0 +1,30 @@
+/// <reference path="chalk.d.ts" />
+
+import chalk = require('chalk');
+
+var str: string;
+var bool: boolean;
+
+chalk.enabled = bool;
+str = chalk.stripColor(str);
+
+bool = chalk.supportsColor;
+bool = chalk.hasColor(str);
+
+// style a string
+console.log(  chalk.blue('Hello world!')  );
+
+// combine styled and normal strings
+console.log(  chalk.blue('Hello'), 'World' + chalk.red('!')  );
+
+// compose multiple styles using the chainable API
+console.log(  chalk.blue.bgRed.bold('Hello world!')  );
+
+// pass in multiple arguments
+console.log(  chalk.blue('Hello', 'World!', 'Foo', 'bar', 'biz', 'baz')  );
+
+// nest styles
+console.log(  chalk.red('Hello', chalk.underline.bgBlue('world') + '!')  );
+
+// nest styles of the same type even (color, underline, background)
+console.log(  chalk.green('I am a green line ' + chalk.blue('with a blue substring') + ' that becomes green again!')  );
diff --git a/chalk/chalk.d.ts b/chalk/chalk.d.ts
new file mode 100644
index 000000000..5cceb9514
--- /dev/null
+++ b/chalk/chalk.d.ts
@@ -0,0 +1,92 @@
+// Type definitions for chalk v0.4.0
+// Project: https://github.com/sindresorhus/chalk
+// Definitions by: Diullei Gomes <https://github.com/Diullei>, Bart van der Schoor <https://github.com/Bartvds>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module Chalk {
+	export interface ChalkModule extends ChalkStyle {
+		enabled: boolean;
+		supportsColor: boolean;
+		styles: ChalkStyleMap;
+
+		stripColor(value: string): any;
+		hasColor(str:  string): boolean;
+	}
+
+	export interface ChalkChain extends ChalkStyle {
+		(...text: string[]): ChalkChain;
+	}
+
+	export interface ChalkStyleElement {
+		open: string;
+		close: string;
+	}
+
+	export interface ChalkStyle {
+		// General
+		reset: ChalkChain;
+		bold: ChalkChain;
+		italic: ChalkChain;
+		underline: ChalkChain;
+		inverse: ChalkChain;
+		strikethrough: ChalkChain;
+
+		// Text colors
+		black: ChalkChain;
+		red: ChalkChain;
+		green: ChalkChain;
+		yellow: ChalkChain;
+		blue: ChalkChain;
+		magenta: ChalkChain;
+		cyan: ChalkChain;
+		white: ChalkChain;
+		gray: ChalkChain;
+
+		// Background colors
+		bgBlack: ChalkChain;
+		bgRed: ChalkChain;
+		bgGreen: ChalkChain;
+		bgYellow: ChalkChain;
+		bgBlue: ChalkChain;
+		bgMagenta: ChalkChain;
+		bgCyan: ChalkChain;
+		bgWhite: ChalkChain;
+	}
+
+	export interface ChalkStyleMap {
+		// General
+		reset: ChalkStyleElement;
+		bold: ChalkStyleElement;
+		italic: ChalkStyleElement;
+		underline: ChalkStyleElement;
+		inverse: ChalkStyleElement;
+		strikethrough: ChalkStyleElement;
+
+		// Text colors
+		black: ChalkStyleElement;
+		red: ChalkStyleElement;
+		green: ChalkStyleElement;
+		yellow: ChalkStyleElement;
+		blue: ChalkStyleElement;
+		magenta: ChalkStyleElement;
+		cyan: ChalkStyleElement;
+		white: ChalkStyleElement;
+		gray: ChalkStyleElement;
+
+		// Background colors
+		bgBlack: ChalkStyleElement;
+		bgRed: ChalkStyleElement;
+		bgGreen: ChalkStyleElement;
+		bgYellow: ChalkStyleElement;
+		bgBlue: ChalkStyleElement;
+		bgMagenta: ChalkStyleElement;
+		bgCyan: ChalkStyleElement;
+		bgWhite: ChalkStyleElement;
+	}
+}
+
+declare module "chalk" {
+	var ch: Chalk.ChalkModule;
+	export = ch;
+}
+