some Unicode characters are colored surprisingly

Example:

PgUp, PgDn, ◀ ▲ ▼ ▶ to navigate. ESC when done.

On most terminals, the right and left arrows are not colored. I guess this is a problem with the underlying font? I don't understand why these particular unicode glyphs get colored. On Windows Terminal or various other terminal applications the colors are not present, and thus my escape sequences (which I use to provide coloring in my app) are honored, but in Fluent the colors for the right and left arrows are overridden to blue background and white foreground.