I've used green-gray mats on thousands of pictures. Warm and cool variants of this useful color form the overall background tones of many paintings, possibly because flesh tones contain red; and red is the color wheel opposite, or complement, of green.
How to contact Amazon by phone. The easiest way to contact Amazon's customer service department is by using their toll-free phone number at 1-888-280-4331.
42 Responses to âThe Amazon.com Customer Service Phone Numberâ. 1  1 Looks like one user is finding that the e-mail addresses are no longer valid: I just e-mailed: orders@amazon.com. resolution@amazon.com. 2  2 More numbers from another visitor: Hi - I have a couple of more numbers you can add to your amazon.com phone.