Curve

• Histogram – The histogram gives a visual representation of the shadows, midtones, lights, whites and highlights in the image. Each control point is tied to a value and any changes made to either the input values or position of the control points will update respectively. The Histogram can be hidden/shown by toggling the little triangle next to the Histogram title.
• Shadows – Add detail in these areas by increasing the shadow value or make the dark areas of your image seem even darker by decreasing the value.
• Midtones – When adjusting the Midtones you affect the values mid-way between shadow and highlight. Increasing the value makes midtones lighter while decreasing makes midtones darker.
• Lights – Adjusting the Lights value will affect the lighter areas within the midtone range.
• Whites – This value represents the “white-point” e.i. the equivalent of white paper seen in daylight. Increasing the value will make whites seem “whiter” – while decreasing the value will make them more grey.
• Highlights – Adjusting Highlights affects the areas that are receiving the largest amount of light and are reflecting light source most efficiently. Add detail to the these areas of your image by decreasing the highlight value or make the areas seem even brighter by increasing the value.