Related Clues:

• Civil War side (with ''the'')
• CSA uniforms
• Age, perhaps
• It's often touched up
• Color for a wolf or whale
• Parliamentarian Herb, for one
• Civil War color
• Showing signs of aging
• Slate-colored
• Confederate color
• Anatomist Henry
• Like a foreboding sky
• Black plus white
• Pre-dye shade, perhaps
• __ matter