The "omero" metadata is optional, but if present it MUST contain the field "channels", which is an array of dictionaries describing the channels of the image. Each dictionary in "channels" MUST contain the field "color", which is a string of 6 hexadecimal digits specifying the color of the channel in RGB format. Each dictionary in "channels" MUST contain the field "window", which is a dictionary describing the windowing of the channel. The field "window" MUST contain the fields "min" and "max", which are the minimum and maximum values of the window, respectively. It MUST also contain the fields "start" and "end", which are the start and end values of the window, respectively.
The "omero" metadata is optional, but if present it MUST contain the field "channels", which is an array of dictionaries describing the channels of the image. Each dictionary in "channels" MUST contain the field "color", which is a string of 6 hexadecimal digits specifying the color of the channel in RGB format. Each dictionary in "channels" MUST contain the field "window", which is a dictionary describing the windowing of the channel. The field "window" MUST contain the fields "min" and "max", which are the minimum and maximum values of the window, respectively. It MUST also contain the fields "start" and "end", which are the start and end values of the window, respectively.
https://ngff.openmicroscopy.org/0.4/index.html#omero-md