500.days.of.summer.2009.1080p.bluray.x265.10bit... ((link))

As their relationship fades, the blue begins to drain from the frames, replaced by the more muted, autumnal tones of... well, Autumn. 2. The "Expectations vs. Reality" Sequence

While the specific file string you mentioned refers to a high-definition 1080p BluRay encode 500.Days.of.Summer.2009.1080p.BluRay.X265.10bit...

A 10-bit encode upgrades the palette to 1,024 shades per channel, totaling . Even when the original source is an 8-bit Blu-ray, encoding in 10-bit gives the compression software a vastly superior mathematical space to smooth out gradients, completely eliminating banding. Visual Synergy: Enhancing 500 Days of Summer As their relationship fades, the blue begins to