"Crystal Orange" is a methodology within the Crystal family of agile methodologies developed by Alistair Cockburn. Similar to Crystal Yellow and Crystal Clear, Crystal Orange is designed to apply agile principles to specific contexts and requirements of software development teams. Crystal Orange targets larger organizations that have multiple teams with distinct responsibilities.

Here are some key aspects of Crystal Orange:

1. Organizational Scaling: Crystal Orange is designed to scale agility within organizations where multiple teams work on different projects or product components. The methodology considers interaction and coordination between these teams.

2. Team Collaboration: Crystal Orange acknowledges that in larger organizations and multiple teams, coordination and collaboration are particularly important. The methodology provides approaches for teams to collaborate effectively to achieve common goals.

3. Clear Roles and Responsibilities: As different teams with varying responsibilities work in larger organizations, Crystal Orange emphasizes the importance of well-defined roles and responsibilities. This facilitates organization and coordination of work.

4. Cross-Team Communication: Crystal Orange promotes communication and knowledge sharing between teams. This is important to ensure information flows and cross-team dependencies are effectively managed.

5. Scaled Retrospectives: The methodology acknowledges that conducting retrospectives in larger organizations with multiple teams can be more challenging. Crystal Orange offers approaches for scaling retrospective practices at the organizational level.

6. Preserving Agility: Despite organizational size and complexity, Crystal Orange emphasizes the importance of preserving agility and flexibility. The methodology assists organizations in maintaining agile values and practices despite larger structures.

Crystal Orange is an approach aimed at translating agile principles and values to the challenges of larger organizations with multiple agile teams. The methodology provides guidance on how to scale agility at the organizational level while preserving the integrity of agile values.

"Crystal Yellow" is one of the methodologies within the Crystal family of agile methodologies, which were developed by Alistair Cockburn. Crystal Yellow is designed for software development teams that are larger and more complex than those targeted by Crystal Clear, but still fall within the small to medium-sized team category.

Crystal Yellow emphasizes certain practices and principles that are particularly beneficial for teams facing a higher degree of complexity and potentially larger team sizes. Here are some key aspects of Crystal Yellow:

1. Team Size: Crystal Yellow is aimed at teams that are slightly larger than those typically targeted by Crystal Clear. While the exact team size can vary, Crystal Yellow is intended for teams of around 10 to 20 members.

2. Communication and Collaboration: Just like other Crystal methodologies, Crystal Yellow places strong emphasis on communication and collaboration. However, due to the larger team size, the need for structured communication and well-defined roles becomes more pronounced.

3. Documentation and Architecture: Crystal Yellow places more emphasis on architectural documentation. As the team and system complexity increase, having a well-defined architecture becomes important to maintain coherence and consistency across the project.

4. Coordinating Across Teams: Crystal Yellow recognizes that larger teams may require multiple sub-teams with different responsibilities. Effective coordination between these sub-teams is essential, and Crystal Yellow provides guidance on achieving this while maintaining agility.

5. Risk Management: Crystal Yellow acknowledges that with increased complexity comes an increased risk. Therefore, risk management practices are more pronounced in this methodology to help teams identify, assess, and mitigate potential risks.

6. Personal Skills and Development: Crystal Yellow acknowledges the importance of skills development and personal growth for team members. As teams grow, fostering skills and talents becomes even more critical for overall team performance.

It's important to note that the Crystal methodologies, including Crystal Yellow, are designed to be adaptable and flexible. They provide guiding principles and practices but are not overly prescriptive. Teams are encouraged to tailor the methodologies to their specific context and needs while adhering to the core values of agility, collaboration, and continuous improvement.

"Crystal Clear" is an agile methodology specifically designed for small software development teams. It was developed by Alistair Cockburn, one of the co-authors of the Agile Manifesto. Crystal Clear aims to apply agile principles to small teams while taking into account the specifics and challenges of such teams.

Here are some features and principles of Crystal Clear:

1. Small Teams: Crystal Clear is particularly designed for teams consisting of about two to eight members. It acknowledges that communication and coordination can be more efficient in smaller teams and that larger agile frameworks might be overkill.

2. Clear Communication: The methodology emphasizes the importance of communication within the team as well as with stakeholders. Clear communication is crucial to ensure that all parties have a shared understanding of requirements and goals.

3. Frequent Delivery: Like many agile methodologies, Crystal Clear emphasizes the regular delivery of functioning software. Through frequent deliveries, customers and team members receive early feedback, contributing to improving quality and adaptability.

4. Low Process Overhead: Crystal Clear aims for a lightweight process that promotes efficiency but does not burden unnecessarily. The goal is to keep the process as simple as possible to maintain team agility and flexibility.

5. Personal Interaction: The methodology stresses the importance of personal interaction over written communication. Face-to-face conversations are considered more effective in minimizing misunderstandings and fostering deeper collaboration.

6. Technical Excellence: Crystal Clear values technical excellence and quality in software development. Using proven practices and focusing on clean, maintainable code are key principles.

7. Retrospectives and Adaptations: Similar to other agile methodologies, Crystal Clear emphasizes conducting regular retrospectives. The team reflects on its work process and identifies improvement opportunities.

Crystal Clear is intentionally lightweight and flexible to cater to the needs of small teams. It aims to apply the values and principles of agile software development in a context specifically tailored to the dynamics and challenges of small teams.