Color Curves

Use the Color Curves effect to adjust the red, green, and blue channels using an envelope.


Original	Brighten Brights

Select the channel you want to adjust from the Channel drop-down list, or choose RGB to adjust all channels at the same time. The color curve for each channel is displayed as a separate envelope.
Adjust envelope points:
Double-click to add a new envelope point.
To delete an envelope point, right-click it and choose Delete Point(s) from the submenu.
Drag a point to change its position.
Select a point to enable its tangent curve. You can drag the tangent to adjust the curvature of the envelope around the envelope point:

Right-click the tangent curve and clear the Lock Tangent(s) command to adjust the halves of the curve independently, or choose Reset Tangent(s) to reset the tangent to horizontal.

To force all color curves to match a curve that you've adjusted, click one of the following buttons:

Item	Description
	Click to force the green and blue curves to match the current settings for the red curve.
	Click to force the red and blue curves to match the current settings for the green curve.
	Click to force the red and green curves to match the current settings for the blue curve.