diff --git a/ti842py/__version__.py b/ti842py/__version__.py
index 3d9770d..32c32f6 100644
--- a/ti842py/__version__.py
+++ b/ti842py/__version__.py
@@ -1,7 +1,7 @@
 __title__ = "ti842py"
 __description__ = "TI-BASIC to Python 3 Transpiler"
 __url__ = "https://github.com/TabulateJarl8/ti842py"
-__version__ = "0.8.2"
+__version__ = "0.8.3"
 __author__ = "Tabulate"
 __author_email__ = "tabulatejarl8@gmail.com"
 __license__ = "GPLv3"
diff --git a/ti842py/utils/draw.py b/ti842py/utils/draw.py
index 966e8cf..9d2219e 100644
--- a/ti842py/utils/draw.py
+++ b/ti842py/utils/draw.py
@@ -2,6 +2,7 @@
 import time
 import tkinter.font as tkfont
 import decimal
+import re
 
 
 BLUE = 10
@@ -64,8 +65,9 @@ def tiColorToGraphicsColor(self, color, isBackground=False):
 		color = str(color)
 		for color1, color2 in self.colors.items():
 			color = color.replace(color1, color2)
-		for color1, color2 in self.colorNumbers.items():
-			color = color.replace(color1, color2)
+		color = re.sub(r'(\d+)', lambda m: self.colorNumbers.get(m.group(), '[ERR:DOMAIN]'), color)
+		if '[ERR:DOMAIN]' in color:
+			raise ValueError('The specified color value was not in range 10-24')
 		if color not in self.colors.values():
 			# Failsafe
 			if not isBackground:
diff --git a/ti842py/utils/getKey.py b/ti842py/utils/getKey.py
index ce90897..99bd622 100644
--- a/ti842py/utils/getKey.py
+++ b/ti842py/utils/getKey.py
@@ -73,9 +73,7 @@ def __init__(self):
 			" ": 102,
 			".": 103,
 			":": 103,
-			"-": 104,
 			"?": 104,
-			"−": 104,
 			pynput.keyboard.Key.enter: 105
 		}