Saks Fifth Avenue sent out a postcard-style email on Monday, with the clever "Jeanius Sale" headline. Although the pun may be lost on anyone without 20/20 vision. Slapping stencil font in low-contrast red on this pile of blue jeans would be an awful home page design decision, and it's no different with email.
It would have been easier to look at with a few adjustments to color and contrast:
Not a huge improvement, but the colors don't "bounce" as much.