The color of the Manganese salts is

The manganese ion present in the manganese salts has unpaired election; Which can cause to show the color.
Copper salts $\to$  Bluish Green 
Nickel salts $\to$ Greenish Blue
Chromium salts $\to$  Dark Green
Cobalt salts $\to$  Pinkish/purple
Manganese salts $\to$  Light pink(Buff)
Ferrous salts $\to$  Light Green
Ferric salts  $\to$ Pale Yellow