Advice: make the answer much more visible. First text, visually separated (bigger font, bold, line ...), green/red. Separate the explanation part into its own block of text.
As long as there's also a non-color differentiator (like a checkmark / X) I think it's fine. Just like traffic lights having different positions. The word itself is possibly enough, although on the other hand words take longer to process than shapes/colors so best to offer a shape if also offering a color.