ISO 22028-1:2016规定了用于数字摄影和/或涉及数字图像存储、操作和/或交换的图形技术应用的任何扩展色域颜色编码应满足的一系列要求。ISO 22028的这一部分适用于源于原始场景的图像数字图像，以及包含文本、线条艺术、矢量图形和其他形式的原始艺术品等内容的数字图像。ISO 22028的这一部分还描述了基于参考图像状态的数字成像体系结构，包括许多常见的工作流程，可用于将扩展的颜色编码分类为许多不同的图像状态。然而，ISO 22028的本部分并未规定用于数字摄影和/或图形技术应用的任何特定工作流程。

ISO 22028-1:2016 specifies a set of requirements to be met by any extended-gamut colour encoding that is to be used for digital photography and/or graphic technology applications involving digital image storage, manipulation and/or interchange. This part of ISO 22028 is applicable to pictorial digital images that originate from an original scene, as well as digital images with content such as text, line art, vector graphics and other forms of original artwork. This part of ISO 22028 also describes a reference image-state-based digital imaging architecture, encompassing many common workflows, that can be used to classify extended colour encodings into a number of different image states. However, this part of ISO 22028 does not specify any particular workflow(s) that are to be used for digital photography and/or graphic technology applications.