diff --git a/types/ansicolors/index.d.ts b/types/ansicolors/index.d.ts
index e82fb47dd7..dd1a872e57 100644
--- a/types/ansicolors/index.d.ts
+++ b/types/ansicolors/index.d.ts
@@ -4,41 +4,42 @@
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 interface Colors extends String {
-	white: Colors
-	black: Colors
-	blue: Colors
-	cyan: Colors
-	green: Colors
-	magenta: Colors
-	red: Colors
-	yellow: Colors
-	brightBlack: Colors
-	brightRed: Colors
-	brightGreen: Colors
-	brightYellow: Colors
-	brightBlue: Colors
-	brightMagenta: Colors
-	brightCyan: Colors
-	brightWhite: Colors
-	bgBlack: Colors
-	bgRed: Colors
-	bgGreen: Colors
-	bgYellow: Colors
-	bgBlue: Colors
-	bgMagenta: Colors
-	bgCyan: Colors
-	bgWhite: Colors
-	bgBrightBlack: Colors
-	bgBrightRed: Colors
-	bgBrightGreen: Colors
-	bgBrightYellow: Colors
-	bgBrightBlue: Colors
-	bgBrightMagenta: Colors
-	bgBrightCyan: Colors
-	bgBrightWhite: Colors
-	open: Colors
-	close: Colors
-	colors: Colors
+	(value: string): string
+	white: this
+	black: this
+	blue: this
+	cyan: this
+	green: this
+	magenta: this
+	red: this
+	yellow: this
+	brightBlack: this
+	brightRed: this
+	brightGreen: this
+	brightYellow: this
+	brightBlue: this
+	brightMagenta: this
+	brightCyan: this
+	brightWhite: this
+	bgBlack: this
+	bgRed: this
+	bgGreen: this
+	bgYellow: this
+	bgBlue: this
+	bgMagenta: this
+	bgCyan: this
+	bgWhite: this
+	bgBrightBlack: this
+	bgBrightRed: this
+	bgBrightGreen: this
+	bgBrightYellow: this
+	bgBrightBlue: this
+	bgBrightMagenta: this
+	bgBrightCyan: this
+	bgBrightWhite: this
+	open: this
+	close: this
+	colors: this
 }
-declare var colors: Colors
+declare const colors: Colors
 export default colors