If you are not being able to install Recolor please try clearing Google Play services and Google Play store cache.

On your Android phone or tablet, open your Settings app.
Tap Apps & notifications.
Tap Download Manager. If you don’t see it, tap See all apps or App info.
Open Google Play Services.
Tap Storage and then Clear cache.
Tap Clear storage and then Clear all data and then OK.
Open the Google Play Store app Google Play.
Wait for 5 minutes, then try your download again.