The map color of tuff block has brown compared to color palette of tuff blocks

Summary

The map color of tuff block is wrong color like a brown, same issue in MC-267562

Addons/Resource Packs: No

Attachments: Yes

Steps to reproduce

1. Fill  for tuff block using command

   /fill ~1 ~1 ~1 ~9 ~1 ~9 tuff 

1. Take a map & create a map
2. Compare the color of the tuff on map to the color palette of tuff blocks

Observed Results

The tuff block map color is brown

Expected Behavior

The tuff block map color would be more gray