Adobe Photoshop CS4
PDF (adobe.com)
Color and tonal adjustments
Understanding color adjustments
Before making color and tonal adjustments
Correcting images
Adjustments panel overview
Color adjustment commands
Make a color adjustment
Save adjustment settings
Reapply adjustment settings
Correcting Colors in CMYK and RGB
Identify out‑of‑gamut colors
PDF (adobe.com)
PDF (adobe.com)
