This one was quite by accident. The False Indigo bush grew into this daylily (Georgette Belden). Not a color difference but I like the texture difference.
Here is another. Again not a great color contrast. Curly Pink Ribbons against Nora Leigh Phlox.
You can rely on garden art also to set off DL colors. (Blazing Lamp Sticks)
Irish Envy with Ladies Mantle:
