GitLab's design system, Pajamas, is a comprehensive, open-source system built to empower developers and teams to collaborate seamlessly across the entire DevSecOps lifecycle.
GitLab®
Built around the core proposition of "The most comprehensive AI-driven DevSecOps platform," the interface uses a clean, functional aesthetic with a distinctive purple (#7759C2) that communicates creativity, open-source values, and brand affinity, balanced with an energetic orange (#FC6D26) used for highlights and CTAs. The typography, anchored by the custom GitLab Sans typeface (based on Inter), is designed for exceptional readability with a tall x-height that aids in scanning code and documentation, reducing cognitive load during long development sessions. Every design decision — from the panel‑based layout system and the 8px spacing scale to the accessible color palette and the "sophisticated simplicity" principles — reinforces the brand's promise of making the entire DevSecOps workflow feel intuitive, efficient, and unified.
The system excels in creating a sense of flow and continuity through consistent visual cues: clear hierarchy, purposeful whitespace, and logical interaction patterns that guide developers through complex workflows without context switching. The result is a design language that feels both powerful and approachable, transforming the complexity of the DevSecOps lifecycle into a simple, delightful experience that helps teams ship better software faster.