A 4-color personality test sorts people into four types—Red, Blue, Green, and Yellow—based on their behavior and communication style. The Bridge Personality is a top 4-color test used by businesses worldwide. It's easy to use, with no licenses or training needed. Based on the Red, Blue, Green, and Yellow model, it’s perfect for improving team dynamics. The test includes a detailed report to help boost collaboration. It's ideal for HR departments, consultants, and coaches. You can order it for individual candidates or manage it through an account on TestGroup’s platform. personality colors