diff --git a/src/ANSI.php b/src/ANSI.php
index 921e7f1..e337411 100644
--- a/src/ANSI.php
+++ b/src/ANSI.php
@@ -53,12 +53,20 @@ class ANSI {
 	 */
 	public static function color(int $color): string
 	{
-		return sprintf("\e[%dm", $color);
+		return self::seq('%dm', $color);
 	}
 
+	/**
+	 * Generate a sequence for an rgb color
+	 *
+	 * @param int $r
+	 * @param int $g
+	 * @param int $b
+	 * @return string
+	 */
 	public static function rgbColor(int $r, int $g, int $b): string
 	{
-		return sprintf("\e[38;2;%d;%d;%bm", $r, $g, $b);
+		return self::seq('38;2;%d;%d;%dm', $r, $g, $b);
 	}
 
 	/**
@@ -70,7 +78,7 @@ class ANSI {
 	 */
 	public static function moveCursor(int $line, int $column): string
 	{
-		return sprintf("\e[%d;%dH", $line, $column);
+		return self::seq('%d;%dH', $line, $column);
 	}
 
 	/**
@@ -81,7 +89,7 @@ class ANSI {
 	 */
 	public static function scrollUp(int $lines): string
 	{
-		return sprintf("\e[%dS", $lines);
+		return self::seq('%dS', $lines);
 	}
 
 	/**
@@ -92,6 +100,11 @@ class ANSI {
 	 */
 	public static function scrollDown(int $lines): string
 	{
-		return sprintf("\e[%dT", $lines);
+		return self::seq('%dT', $lines);
+	}
+
+	private static function seq(string $pattern, ...$args): string
+	{
+		return sprintf("\e[{$pattern}", ...$args);
 	}
 }
\ No newline at end of file
diff --git a/src/constants.php b/src/constants.php
index 9c3aa34..7a78500 100644
--- a/src/constants.php
+++ b/src/constants.php
@@ -5,6 +5,6 @@ namespace Aviat\Kilo;
 // -----------------------------------------------------------------------------
 // ! App Constants
 // -----------------------------------------------------------------------------
-define('KILO_VERSION', '0.2.0');
-define('KILO_TAB_STOP', 4);
-define('KILO_QUIT_TIMES', 3);
\ No newline at end of file
+const KILO_VERSION = '0.3.0';
+const KILO_TAB_STOP = 4;
+const KILO_QUIT_TIMES = 3;