Colour is so misleading in photos - here is the "Hidden Treasures" quilt taken in different lights:
None is really very accurate, though the big image is reasonably close (not enough green, for example, and it's still too dark).
Here are some partial pictures (the lower right corner) in different lights to help get some idea of the lovely colours in this quilt: one and two
But one should remember with reproductions: the colours are just approximations of reality. That's true for all these quilts ...