Brown eyes - how to intensify and make the eye colour pop!

Brown eyes – How to intensify the warmth and depth of the colour? Answer: Surprisingly it’s blue! – particularly navy blue. I find it gives the eye colour a deep, rich, and at times a ‘Golden-ness’ to brown eyes (Purple is also good too).
Beautifully demonstrated here by one of the best in the business – @hungvanngo on the stunning face of @emrata