Preview image gamma at different values
The gamma value of a computer monitor affects how light or dark an image looks in a web browser. Windows systems use a gamma of 2.2, so images look darker on Windows than on Mac OS systems, which are normally set to a gamma of 1.8. In Photoshop, you can preview how your images will look on systems with different gamma values and make gamma adjustments to the image to compensate. Activating a preview option does not affect final image output.
Choose one of the following options by using the
Save for Web/ & Devices dialog box Preview pop‑up menu - Uncompensated Color
- Makes no adjustments to image gamma. Uncompensated Color is the default setting.
- Standard Windows Color
- Displays an adjustment based on the default Windows gamma.
- Standard Macintosh Color
- Displays an adjustment based on the default Macintosh gamma.
- Use Document Color Profile
- Adjusts the gamma to match any attached document color profile in a color-managed document.
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