Winter is never actually monochrome, whether it is how snow reflects all or none of the colors of light, or the bark on the tree in grays, greens, browns, purples, reds…, or the lichen on a stone or the many shades of green that the conifers can come up with.

Consider this picture:


That is about as monochrome as you can get, but actually the shades of brown are going to drive one bonkers.