The Western genre of filmmaking was full of so many incredible black-and-white movies that showcased the enthralling stories of cowboys, gunslingers, and outlaws. While many Western movies have utilized the power of color to showcase beautiful depictions of scenic landscapes as a highly picturesque view of America was presented onscreen, plenty more have traded color for the effective impact of black-and-white filmmaking. While this was a necessity in the early days of Hollywood, as color took over as the primary style of moviemaking, black-and-white films became a more intentional stylistic choice.
https://screenrant.com/westerns-black-white-must-watch-good/