8.4. Hue Chroma

The Hue-Chroma filter is another way to modify saturation. Clear explanations about chroma and saturation can be found at https://ninedegreesbelow.com/photography/changing-saturation-using-lch-chroma.html .

8.4.1. Activating the Command

You can access this command from the main menu through ColorsHue-Chroma….

8.4.2. Options

图 16.123. Hue-Chroma Options

Hue-Chroma Options

Presets

Presets are a common feature for several Colors commands. You can find its description in 第 8.1.1 节 “Colors Common Features”.

Hue

The slider and the small arrow buttons allow you to select a hue in the color wheel (-180°, 180°).

Chroma

Chroma is the purity of the color. Moving this slider makes colors more or less pure.

Lightness

This slider and the small arrow buttons allow you to select a value (luminosity): -100, 100.

Blending Options, Preview, Merge filter, Split view

These are common features described in 第 8.1.1 节 “Colors Common Features”.