The other colors used are chestnut brown, and pony
The other colors used are chestnut brown, and pony blue.

The other colors used are the chestnut brown, and the pony blue is the chestnut brown.

The other colors used are the chestnut brown, and the pony blue is the chestnut brown.

The other colors used are the chestnut brown, and the pony blue is the chestnut brown.

The other colors used are the chestnut brown, and the pony blue is the chestnut brown