Huawei mate40pro, HarmonyOS2.0, Ball Battle 1 1.7.0.

1, let's kick off.

2. Then enter the code [FF0000] before the ball name, and the brackets should be capitalized.

You see that the name of the ball has turned red.

4. If you enter [0000 ff], it will turn blue.

Just like this, blue is quite bright.

6. Of course, if you enter the code, it will turn black.

7. Just like this, the black one is charming.

8. The above are some common colors.