I understand you're looking for a link to a dark mode for Adobe Flash CS6, but here’s the interesting story behind why that’s not a simple download — and what people actually did about it.
Let’s address the clickbait directly: No. Adobe never released an official dark theme for Flash CS6. adobe flash cs6 dark mode link
For users who want to explore more about Adobe Flash CS6 and its features, including dark mode, here is a helpful link: I understand you're looking for a link to
Link to Adobe Flash CS6 Dark Mode