diff --git a/examples/colors.cr b/examples/colors.cr
index ad10696..415a633 100644
--- a/examples/colors.cr
+++ b/examples/colors.cr
@@ -16,6 +16,7 @@ NCurses.init_color_pair(1, NCurses::Color::Red, NCurses::Color::Green)
 NCurses.init_color_pair(2, NCurses::Color::Blue, NCurses::Color::Black)
 NCurses.init_color_pair(3, NCurses::Color::Black, NCurses::Color::White)
 NCurses.init_color_pair(4, NCurses::Color::Cyan, NCurses::Color::Magenta)
+NCurses.init_color_pair(5, 208, 0)
 
 # Change color RGB values if terminal supports it
 if NCurses.can_change_color?
@@ -42,6 +43,11 @@ NCurses.set_color 4
 NCurses.print "\nThis should appear to be white on black\n"
 NCurses.print "But color pair 4 is cyan on magenta\n"
 
+NCurses.set_color 5
+
+NCurses.print "\nAnd you can pass raw X-term colors\n"
+NCurses.print "This is a orange text"
+
 NCurses.set_color
 
 NCurses.print "\nPress q to exit\n"
diff --git a/src/ncurses.cr b/src/ncurses.cr
index a723bf8..32b747e 100644
--- a/src/ncurses.cr
+++ b/src/ncurses.cr
@@ -245,7 +245,7 @@ module NCurses
   # init_color_pair 5, Color::Red, Color::Blue # => Color pair 5 is not red on black
   # ```
   # Wrapper for `init_pair()`
-  def init_color_pair(slot, foreground : Color, background : Color)
+  def init_color_pair(slot, foreground : (Color | UInt8), background : (Color| UInt8))
     raise "init_pair error" if LibNCurses.init_pair(slot.to_i16, foreground.to_i16, background.to_i16) == ERR
   end