Color Study Quilt Palette

This photo was taken at Lake Goegrup a wetland area about 30 mins drive south of where we live!

I love the soft blue of the sky teamed with the grey tree trunks and the rusty shrubbery.
Basic palette quilt examples:

Black background fabric added:
Black added as a feature fabric:
And just for fun I imagined this palette with some terracotta oranges to complement the rusty brown to make a fun flowerpot block!