A label calling a fabric “ocean blue” tells you how the colour was named for a particular product. It does not supply a stable colour measurement, and your screen’s appearance adds another layer.
Transcribe the name exactly, including a code if one is printed beside it. Then describe the image separately: for example, “the supplied photograph appears blue-green on this display.” Avoid silently replacing the label’s name with your own impression.
Compare within the documented system
If a catalogue provides several named variants, check whether each name has its own product code. Two similar names may identify distinct variants, while one name may be reused across different materials.
For an invented collection exercise, place “Ocean 14” and “Ocean 41” on separate cards. Keeping the digits intact prevents an attractive name from hiding an important distinction.
Do not promise a historical colour match from an ordinary web photograph. Lighting, reproduction, condition, and display settings can all affect what reaches the viewer.
The useful question is narrower: how did the maker or seller organise and describe the available colours? A careful transcription can answer part of that question even when the exact original appearance cannot be recovered from the image alone.
Editorial illustration from this site’s image library; not documentary evidence of the example or object discussed.