duotone

noun

1. Any picture printed in two shades of the same colour, such as a duotype or duograph.

adj

1. (not-comparable)Having two tones.

   “He oozed prosperity from top hat to duotone shoes.”

   “We each wore blue sweaters over collared shirts. His was duotone, dark blue beneath the shoulders, periwinkle from the shoulders to the neck.”

   “The brown hair that she’d always dyed blonde had grown out to her ears, leaving just a few inches of yellow on the ends. Despite the duotone hair, her eyes seemed alert, although she didn’t smile at him as he approached.”