There are bunch of teams colored differently. Here are some of them.

1) Green Team

Main focus is Automating Operation Required Skills:

• Programming/Automation
• Defensive Security
• DevSecOps
• Governance
• Facilitate in the Detection of Threats
• Offensive Security Campaign

2) Yellow Team

Focuses on System Architecture, Software Engineering, and DevOps Skills:

• DevSecOps
• Programming/Automation
• Security Testing/Pentesting
• Security Controls
• Detection of Threats
• Measure Process Success

3) Blue Team

They mainly focus on defensive security tactics Skills:

• Incident Response and Security Controls
• Threat Hunting and Adversary Emulation
• Offensive Security
• Automation and Forensic
• Improve and Increase the Maturity of A Process
• AppSec

4) Red Team

Opposite of Blue Team Skills:

• Offensive Security Process
• Adversary Emulation
• Vulnerability Management and Testing Controls
• Automation Testing
• AppSec
• Improve and Increase the MAturity of a Process

5) Purple Team

Bridge between Red and Blue Team