How to change Agros color in Shadow of the Colossus? Shadow of the Colossus Guide, walkthrough

There are three colors available for Agro. They are treated as items that are a reward for defeating colossi. All require completing the following Time Attacks:

1. White - defeat 10 colossi (Normal difficulty level),
2. Brown - defeat 14 colossi (Hard),
3. Black with ICO ornate - defeat 16 colossi (Hard).

A white Agro

The chosen color does not affect the statistics of the horse. More info can be found in chapter "Rewards for Time Attacks".