Slack Themes VS React Native Elements

• Customization
  Slack Themes allow users to personalize the appearance of their Slack interface, providing a sense of ownership and comfort while using the platform.
• Variety
  A wide range of themes are available, catering to different aesthetic preferences, which can enhance user satisfaction and engagement.
• Visual Relief
  Themes can reduce eye strain by allowing users to select color schemes that are easier on the eyes, particularly in low-light conditions.
• Mood Enhancement
  Choosing a pleasing or cheerful theme can improve mood and make the work environment more enjoyable and motivating.

Possible disadvantages

• Inconsistency
  Different users utilizing different themes can result in inconsistent user experiences across a team, potentially leading to confusion or communication issues.
• Compatibility
  Some themes may not be fully compatible with all Slack features or updates, which could cause display issues or reduced functionality.
• Distraction
  Highly vibrant or overly stylized themes might be distracting for some users, leading to decreased productivity.
• Performance
  Complex or image-heavy themes could potentially impact the performance of the Slack application, making it slower to load or navigate.

• Consistent Design
  React Native Elements provides a consistent design across different platforms by offering a set of highly customizable UI components that adhere to the material design and iOS design guidelines.
• Ease of Use
  The library is beginner-friendly with a focus on ease of use, allowing developers to create high-quality UIs quickly and with minimal effort.
• Customizable Components
  Components in React Native Elements are easily customizable with a rich set of props, allowing developers to tweak and modify them to fit the specific design requirements of their applications.
• Rich Community Support
  Backed by a strong community and a dedicated team, React Native Elements offers extensive documentation, tutorials, and community support for resolving any issues or queries.
• Cross-Platform Compatibility
  Built to support both iOS and Android, React Native Elements allows developers to build applications with a consistent look and feel across multiple platforms.

Possible disadvantages

• Limited Advanced Components
  While React Native Elements offers a wide variety of basic UI components, it may lack some advanced components that require developers to implement their own solutions or integrate additional libraries.
• Performance Overhead
  The abstraction layer added by using React Native Elements may introduce some performance overhead compared to building components from scratch, especially for more complex or resource-intensive applications.
• Third-party Dependency
  Relying on a third-party library means developers may face issues related to external dependencies such as delays in updates or compatibility issues with newer versions of React Native.
• Learning Curve for Customization
  While the library is designed to be easy to use, fully customizing the components to meet specific UI/UX requirements may involve a learning curve, especially for developers new to the ecosystem.

• Does anyone have a key to changing the themes on slack? I keep guessing randomly...

  Check out https://slackthemes.net/ for some ideas. You can the copy paste the values to your preferences in Slack to make use of theme. Source: over 5 years ago

Tracking React Native Elements since Mar 2021.