YOU SAID:

that's a horse of a different color

INTO JAPANESE

それは違う色の馬です

BACK INTO ENGLISH

It is a horse of a different color

INTO JAPANESE

この色の違う馬は...

BACK INTO ENGLISH

But this is a horse of a different color.

INTO JAPANESE

この色の違う馬は...

BACK INTO ENGLISH

But this is a horse of a different color.