Is the color of the pennant better, red or dark red?

Crimson.

1. The dark red background color sets off the golden characters, which has good gloss and looks more high-end. Red is too bright, and paired with yellow words, it will make people feel lax.

2. Dark red has a retro feel, which makes people feel noble and valued. The red pennant is bright and festive, but sometimes it is obviously inconsistent with the surrounding environment.