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Using Hue

While it is useful enough, the Hue blending mode isn't the most exciting ingredient, certainly not after you've spiced up an image with Hard Mix Self-blending has no effect—after all, hue, luminance, and saturation are identical in both layers

Blurring the blend layer can produce interesting results where there is a dominant color, such as the blue of the sky By pushing the Gaussian blur radius up to the maximum, the image is colorized with this blue At lower levels of blur, color fringing occurs which may be useful, but reminds me of the chromatic aberration of some lenses

Pushing Gaussian blur colorizes the image blue.

Pushing Gaussian blur colorizes the image blue.

Color fringing can occur with lower levels of blur.

Original image.

Hue simply colorizes an image with the blend color.

Use the Color Picker to select your desired blend color.

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Saturation

Using Saturation

KEYBOARD SHORTCUT

Windows: Alt+Shift+T Mac: Option+Shift+T

Saturation is another of the Hue, Saturation, and Luminance (HSL) modes, and applies the blend color's saturation to the underlying image, leaving the base color's luminance and hue unchanged So again, loosely speaking, the underlying image's colors show through, but appear to be as saturated as the blend layer's colors

Like Hue, the Saturation blending mode is handy, but not exciting A self-blend has no effect, and neither does inverting the blend layer Apart from saturating an image, maybe its most interesting effects come from blurring the blend layer Blurring is most obvious where there are high-contrast edges, not evenly toned areas, and is bound to reduce the saturation So, blurring a Saturation blend layer results in desaturation around the image details

Blurring a Saturation blend layer results in desaturation around the details.

Saturation blend mode uses the colors of the base layer, but renders them with the saturation of the blend layer. So, at the top of this gradient fill, where the blend color is yellow, the blue sky is highly saturated. The image is desaturated at the gradient's bottom where the blend color is white.

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