I don't normally highlight, but if I did... I like this color combination. Subtle, just enough to create depth.
Black Hair With Subtle Red Highlights
Cherry bombre hair features red tones woven into brown hair to "add energy and dimension."
Red brown balayage by Rebecca at Avante Salon and Spa, West Chester PA
21 Trendy Hair Colors: #4. Effortless Auburn Hair
Marissa Neel on Instagram: “Deep violet-brown melting to a brighter red #hairbymarissamae”
Dark brown with Auburn highlights & lowlights by jeanette:
Auburn highlights on dark brown hair
short brown hair with highlights - Google Search