Optional
Color☆☆☆☆ ✔ Example: "RGB "
Optional
Connection☆☆☆☆ ✔ Example: "0.9642 1 0.82491"
Optional
Device☆☆☆☆ ✔ Example: "Reflective, Glossy, Positive, Color"
Optional
Device☆☆☆☆ ✔ Example: "none"
Optional
Device☆☆☆☆ ✔ Example: "IEC http://www.iec.ch"
Optional
Device☆☆☆☆ ✔ Example: "sRGB"
Optional
Device☆☆☆☆ ✔ Example: "sRGB v1.31 (Canon)"
Optional
Luminance☆☆☆☆ ✔ Example: "76.03647 80 87.12462"
Optional
Profile☆☆☆☆ ✔ Example: "sRGB v1.31 (Canon)"
Subset of https://exiftool.org/TagNames/ICC_Profile.html.
None of these tags are writable.