Brennan + Company Architects This was a color selected by the owner and unfortunately I'm not able to reach her to get the answer. I do know it was a Benjamin Moore color.
Annie Thornton This looks vintage to me. You may want to check out ebay or 1stdibs for mid century daybeds. However, If you are interested, here are some daybeds that are currently manufactured that I think would give you a similar mid century and minimal effect.