These sources detail the technical challenges and architectural strategies for implementing hardware-accelerated color animations within the Chromium rendering engine. High-performance rendering requires shifting color transitions from the main thread to the compositor thread, yet this process is complicated by dynamic CSS dependencies like currentColor and inheritance. Because these values are context-dependent and resolve late in the pipeline, they are difficult to "snapshot" for the compositor without losing their ability to update when styles change. Current implementations primarily utilize a native paint worklet for background colors, which provides a specialized path for off-thread execution while maintaining strict thread safety and avoiding garbage collection. Expanding this support requires a sophisticated dependency-tracking system to ensure that animations remain accurate even when parent styles or system color schemes fluctuate mid-transition. Ultimately, the texts serve as a comprehensive guide for developers to reconcile CSS semantics with the rigid constraints of Chromium’s multithreaded architecture.