> The colors should look nice. In my case, they need to be similar to Stripe’s brand colors. Maybe. I would imagine "nice" can have an impact on credibility. F

> The colors should look nice. In my case, they need to be similar to Stripe’s brand colors. Maybe. I would imagine "nice" can have an impact on credibility. First, I would hope, you want people to believe and take seriously what's being communicated. Also, "nice" is subjective, certainly at a cultural level. I'm not knocking the article. Only pointing out she / he might have missed a significant assumption.