diff --git a/captcha/image.py b/captcha/image.py
index ec25dda..e122621 100644
--- a/captcha/image.py
+++ b/captcha/image.py
@@ -222,7 +222,7 @@ class ImageCaptcha(_Captcha):
         :param chars: text to be generated.
         """
         background = random_color(238, 255)
-        color = random_color(0, 200, random.randint(220, 255))
+        color = random_color(10, 200, random.randint(220, 255))
         im = self.create_captcha_image(chars, color, background)
         self.create_noise_dots(im, color)
         self.create_noise_curve(im, color)