Sheila, thanks for the lovely eye treat! The world wouldn't be as beautiful without shades of orange in it. Flowers, sunsets, fire...
Mochi, the color brown is really very dark orange in a basic sense.
Just as a tangent to this topic, I think it is always fun and interesting to see what nature puts together with various colors, especially in birds. Here is a link of some birds with orange in their color scheme, lots of grays and browns represented: http://www.whatbird.com/browse.....068/orange