How to do color pop

you cannot do color pop by your own. it is automatically creates in google photos. if you want to edit for color pop then do download snapseed application of google where you can edit everything.

See also 

https://blog.google/products/photos/new-helpful-editor/ 

"You’ll see some familiar suggestions like Enhance and Color Pop, and in the coming months, we’ll add more suggestions to Pixel devices to help your portraits, landscapes, sunsets and more really stand out."

 

https://support.google.com/photos/thread/325798 :  There's a color pop feature when you edit portrait photos. Then you can do the color pop manually. But it currently only works on photos taken with the portrait feature. 

 

To use the new features, you need to first open up a photo or take one that you’ve used the iOS Portrait Mode with.

 

https://www.guidingtech.com/make-color-pop-photos-snapseed/