diff --git a/test.py b/test.py
new file mode 100644
index 0000000..0c7bb8b
--- /dev/null
+++ b/test.py
@@ -0,0 +1,52 @@
+import random
+from PIL import Image
+
+width = 1280
+height = 720
+
+img = Image.new("RGB", (width, height))
+
+pixels = img.load()
+
+colors = (
+    (0xFF, 0x00, 0x00),
+    (0xFF, 0x7F, 0x00),
+    (0xFF, 0xFF, 0x00),
+    (0x00, 0xFF, 0x00),
+    (0x00, 0xFF, 0xFF),
+    (0x00, 0x00, 0xFF),
+    (0x8B, 0x00, 0xFF),
+    (0xFF, 0x00, 0xFF)
+)
+colors2 = (
+    (0xFF,0x00,0x00),
+    (0xFF,0x40,0x00),
+    (0xFF,0x80,0x00),
+    (0xFF,0xBF,0x00),
+    (0xFF,0xFF,0x00),
+    (0xBF,0xFF,0x00),
+    (0x80,0xFF,0x00),
+    (0x00,0xFF,0x00),
+    (0x00,0xFF,0x80),
+    (0x00,0xFF,0xFF),
+    (0x00,0x80,0xFF),
+    (0x00,0x00,0xFF),
+    (0x40,0x00,0xFF),
+    (0x80,0x00,0xFF),
+    (0xFF,0x00,0xFF),
+    (0xFF,0x00,0x80)
+)
+
+for y in range(height):
+    for x in range(width):
+        pixels[x, y] = colors[((x+y)>>4)&7]
+
+img.save("output/rainbow.png")
+img.show()
+
+for y in range(height):
+    for x in range(width):
+        pixels[x, y] = colors2[((x+y)>>4)&15]
+
+img.save("output/rainbow2.png")
+img.show()
\ No newline at end of file