Streaming services compress the life out of dark scenes. TRON: Legacy is 70% darkness, neon lights, and white suits. In a compressed stream, the black levels turn into muddy grey squares (artifacts), and the light cycles look like glowing blobs.
Some streaming services offer "Tron: Legacy" in their catalog: tron legacymkv full
For fans of TRON Legacy, there are several formats in which the movie is available, including Blu-ray, DVD, and digital download. One popular format is the MKV file format, which is a highly versatile and widely supported container format. Streaming services compress the life out of dark scenes