EXIF tag · IFD0

ColorimetricReference

The ColorimetricReference tag stored in the IFD0 directory.

0xc6bf
Tag ID (50879 decimal)
IFD0
IFD / group
int16u!
Data type
EXIF
Table

What ColorimetricReference means#

The ColorimetricReference tag stored in the IFD0 directory.

Defined values#

ValueMeaning
0Scene-referred
1Output-referred (ICC Profile Dynamic Range)
2Output-referred (High Dyanmic Range)

Read, write and remove it#

# read
exiftool -ColorimetricReference photo.jpg
# write
exiftool -ColorimetricReference="…" photo.jpg
# remove
exiftool -ColorimetricReference= photo.jpg
# all files in a folder, as CSV
exiftool -csv -ColorimetricReference -r ./photos > colorimetric-reference.csv

In Python with Pillow:

from PIL import Image
exif = Image.open("photo.jpg").getexif()
value = exif.get(0xc6bf)  # ColorimetricReference
print(value)

Frequently asked questions#

What is the EXIF tag ID of ColorimetricReference?

0xc6bf (50879 decimal), in the IFD0 directory.

How do I see ColorimetricReference in a photo?

Run exiftool -ColorimetricReference photo.jpg, or open the file's info panel in Lightroom, Photoshop, Windows (Properties → Details) or macOS Preview (Tools → Show Inspector).

Last updated October 03, 2026 · How we calculate · Sources