Curves Tool
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Last updated
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The Curves Tool is a powerful feature in Aperty that allows you to fine-tune the tonal range of your portrait by adjusting brightness, contrast, and color balance. With precise control, you can brighten or darken specific areas, add contrast, or shift the colors to achieve the perfect look for your portrait.
Color Selectors: Use the white (RGB), red, green, and blue selectors to adjust the overall tone or specific color channels. The white selector adjusts all colors, while the red, green, and blue selectors modify individual channels. For example, manipulating blue and yellow tones can cool down or warm up your image by adjusting the blue channel.
Control Points: Add up to 10 control points along the curve to make targeted adjustments to specific tonal areas of the image. Drag a point upward to brighten or reduce shadows in that area, or drag it downward to darken the area and increase contrast.
S-Curve: For an effective contrast boost, create an "S-curve" by placing two control points on the curve. Raise the first point in the highlights section to brighten them, and lower the second point in the shadows to darken those areas. The steeper the curve, the more contrast you'll introduce, giving your portrait depth and pop.
Histogram: The gray graph behind the curve is the histogram, which represents the image's tonal distribution. It helps guide your adjustments by showing how much of the image lies in shadows, midtones, or highlights.
Black and White Points: Adjust the black and white points horizontally to increase contrast or move them vertically to reduce contrast. Horizontal adjustments spread the tonal range for a punchier look, while vertical adjustments flatten it for a softer feel.
