Introducing the Cloud9 JetStream Theme for JetBrains IDEs
TL;DR · AI Summary
JetBrains 推出了一个新的主题 Cloud9 JetStream，适用于 JetBrains IDEs。
Key Takeaways
- Cloud9 JetStream 是一个自定义主题，适用于 JetBrains IDEs。
- 该主题使用深色背景和高对比度界面元素，以提高长时间编码的可读性。
- Cloud9 JetStream 是 Cloud9 和 JetBrains 合作的一部分，展示了开发工具如何支持电竞内容、粉丝活动和内部实验。
Outline
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JetBrains introduces a new theme called Cloud9 JetStream for JetBrains IDEs.
Cloud9 JetStream is designed as a clean, branded editor setup to improve readability during long coding sessions.
The theme features a dark background with high-contrast interface elements to enhance readability.
Cloud9 JetStream is part of a broader collaboration between Cloud9 and JetBrains, showcasing how development tools can support esports content, fan engagement, and internal experimentation.
Cloud9 JetStream is suitable for anyone looking for a focused dark theme with a recognizable Cloud9 brand.
Mindmap
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查看大纲文本（无障碍 / 无 JS 友好）
- Cloud9 JetStream 主题
- 设计目标
- 提高长时间编码的可读性
- 功能特点
- 深色背景和高对比度界面元素
- 合作背景
- 支持电竞内容、粉丝活动和内部实验
- 适用人群
- 任何希望获得一个专注于黑暗主题并具有 recognizable Cloud9 品牌外观的人
Highlights
Key sentences worth saving and sharing.
Cloud9 JetStream is a custom theme for JetBrains IDEs.
It features a dark background with high-contrast interface elements to enhance readability.
Cloud9 JetStream is part of a broader collaboration between Cloud9 and JetBrains.
May 27, 2026
Cloud9 and JetBrains have been working together on projects that connect software development and esports, from the Sky’s The Limit hackathon to custom tools built for live events, podcasts, and team content.
One of the latest results of this collaboration is Cloud9 JetStream, a custom theme for JetBrains IDEs.
The theme brings Cloud9’s visual identity into the development environment, using a dark interface, Cloud9 blue accents, and carefully tuned syntax highlighting. It was designed to feel familiar to Cloud9 fans while remaining practical for everyday coding.
A theme built for JetBrains IDEs
Cloud9 JetStream is built for developers who want a clean, branded editor setup without changing how they work.
The theme uses a dark base with high-contrast interface elements to keep the editor readable across longer sessions. Cloud9 blue is used throughout the interface for active states, selections, and key accents, while syntax colors are kept clear and functional.
The goal was simple: create a theme that looks like Cloud9, works well inside JetBrains IDEs, and feels comfortable as a daily development environment.
Part of a broader technical collaboration
The theme is one part of the wider Cloud9 x JetBrains partnership.
Over the last several months, Cloud9 has used JetBrains IDEs and AI Coding Agent Junie to create a range of custom tools and experiences, including:
- An aim trainer used at AWS re:Invent.
- VCT and LCS player picker tools for Cloud9 podcast segments.
- A League of Legends skin ranking tool.
- A 3D League of Legends data visualization tool.
- Projects developed through the Sky’s The Limit Cloud9 x JetBrains Hackathon.
These projects showed how development tools can support esports content, fan activations, and internal experimentation. Cloud9 JetStream brings the collaboration back into the IDE itself.
Designed for developers and Cloud9 fans
Cloud9 JetStream is intended for anyone who wants a focused dark theme with a recognizable Cloud9 look.
For Cloud9 fans who code, it is a small way to bring the team into their workspace. For developers discovering the theme through the JetBrains Marketplace, it is a clean dark theme with a distinct visual identity.
Cloud9 JetStream is available through the JetBrains Marketplace.
Install the theme, apply it in your JetBrains IDE, and try it in your next project.
[](https://blog.jetbrains.com/blog/2026/05/27/introducing-the-cloud9-jetstream-theme-for-jetbrains-ides/#)
- A theme built for JetBrains IDEs
- Part of a broader technical collaboration
- Designed for developers and Cloud9 fans