selective or ‘pop’ colour is a photo technique where you generally desaturate your image and only keep 1 colour. While the result is often seen as lacking style, sometimes it really makes sense. Just as simple black and white makes sense in various situations.
sometimes the selective colour image is simply so much better than the original. Here’s an example with an iPhone photo:
do you agree? pop, not poop? 😄
you can achieve this easily by applying a filter – you can find it in various photo editing apps.
in the case of red, a similar effect can be achieved in PS Express with a Carmine filter (Basic section).
here is a nice blog on the same subject, focusing on street photography. Personally I love this effect on street images! (not to mention I often dream about spending months, if not years, in London taking pictures 🙂)
compose image 