What is BT.2020? Put simply BT.2020, or Rec. 2020, is a set of specifications covering various aspects of video broadcasting which the ITU recommends as standards for Ultra HD projectors and televisions, along with any gear related to their broadcasting. You can think of them as a way for the ITU to get everybody involved in Ultra HD-related ecosystem on the same path. They include recommendations for resolution, frame rate, bit depth, color range, as well as other values, the main ones of which are detailed in the table below...
Science fiction action film Underwater on Blu-ray reminds us that 1080p full HD SDR still looks wonderful in a 4K ultra HD HDR world when properly calibrated and mastered to perfection.
Designers such as graphic designers, multimedia designers, web designers and other creative professionals who create visual concepts by using computer software need color management. Color management can help them communicate more effectively.
Being able to achieve consistent colors across different devices and media is a big challenge, and color management is designed to deliver this consistency