How to colorize cobbled road

[PixLab]

(02-28-2023, 09:25 AM)Thomasson Wrote: I did it manually. I have prepared a separate layer "Stones". Using Quick Mask and paintbrush (random selection of stones) i divided into reddish stones, blueish stones and ground between them.

Yes the stones' color look natural
If you colorize it like @rich2005 did show you, the result on a new layer, your can play with blending mode as well (this what I do) on the B&W original, just a tip if it can help