diff --git a/main.go b/main.go
index 2120fb1..b77fca6 100644
--- a/main.go
+++ b/main.go
@@ -244,7 +244,7 @@ func main() {
 	}
 	url := fmt.Sprintf("%s://%s/#%s\n", scheme, domain, secret)
 	readyMsg := "ready: " + url
-	qrCode, _ := GenerateQRCode(url, terminalSupportsColor(os.Stderr.Fd()))
+	qrCode, _ := GenerateQRCode(url, TerminalSupportsColor(os.Stderr.Fd()))
 	readyMsg += qrCode
 	if !tls {
 		readyMsg += ("" +
diff --git a/qr.go b/qr.go
index 80f380c..b30eff4 100644
--- a/qr.go
+++ b/qr.go
@@ -33,7 +33,7 @@ func qrCodeToString(bits [][]bool, colorize bool) string {
 	s := ""
 	for y := -1; y < len(bits); y += 2 {
 		if colorize {
-			s += terminalForegroundWhite + terminalBackgroundBlack
+			s += TerminalForegroundWhite + TerminalBackgroundBlack
 		}
 		for x := range bits[0] {
 			upper := false
@@ -55,7 +55,7 @@ func qrCodeToString(bits [][]bool, colorize bool) string {
 			}
 		}
 		if colorize {
-			s += terminalForegroundReset + terminalBackgroundReset
+			s += TerminalForegroundReset + TerminalBackgroundReset
 		}
 		s += "\n"
 	}
diff --git a/terminal_color.go b/terminal_color.go
index af92fbb..c7ffc61 100644
--- a/terminal_color.go
+++ b/terminal_color.go
@@ -20,8 +20,8 @@
 package main
 
 const (
-	terminalForegroundWhite string = "\033[37m"
-	terminalForegroundReset string = "\033[39m"
-	terminalBackgroundBlack string = "\033[40m"
-	terminalBackgroundReset string = "\033[49m"
+	TerminalForegroundWhite string = "\033[37m"
+	TerminalForegroundReset string = "\033[39m"
+	TerminalBackgroundBlack string = "\033[40m"
+	TerminalBackgroundReset string = "\033[49m"
 )
diff --git a/terminal_color_posix.go b/terminal_color_posix.go
index ea0e5d4..0d2f1bf 100644
--- a/terminal_color_posix.go
+++ b/terminal_color_posix.go
@@ -24,6 +24,6 @@ package main
 // #include <unistd.h>
 import "C"
 
-func terminalSupportsColor(fd uintptr) bool {
+func TerminalSupportsColor(fd uintptr) bool {
 	return C.isatty(C.int(fd)) != 0
 }
diff --git a/terminal_color_windows.go b/terminal_color_windows.go
index 4fdf76a..381e2d2 100644
--- a/terminal_color_windows.go
+++ b/terminal_color_windows.go
@@ -32,7 +32,7 @@ var (
 	setConsoleModeProc = kernel32DLL.NewProc("SetConsoleMode")
 )
 
-func terminalSupportsColor(fd uintptr) bool {
+func TerminalSupportsColor(fd uintptr) bool {
 	r, _, _ := setConsoleModeProc.Call(fd, uintptr(enableProcessedOuput|
 		enableWrapAtEolOutput|enableVirtualTerminalProcessing))
 	return r != 0