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Please contact us if you have questions or concerns about the Privacy Notice or any objection to any revisions. All three of them can be used to manipulate color in your picture, but each of them controls a different aspect of the color. Hue represents the actual color itself. You can choose, red, blue, green, pink, yellow, brown, or any one of the millions of shades in-between. Whatever color you pick is represented numerically as the hue value.
By changing the hue in your photo, you can change red to blue, orange, pink, or any other color that you can see. Saturation is a measure of how deep the color is. The higher the saturation, the less gray is in your color. If you push the saturation all the way up, your color will be a strong representation of that color.
If you push it all the way down, it will be completely gray. Take a look at the color strip below:. As you can see, this strip is red. On the left, the saturation has been turned down to 0. As we progress further to the right, more and more saturation is applied, resulting in a progressively stronger shade of red. The luminance or lightness value represents how much white or black is mixed into your color. Looking for something? Find here! Search Search. Subscribe to our email newsletter and never miss an update.
Mail Merge with Attachments. Download Tutorials Video. In computer work, hue is often measured in degrees, bring the angle around a color wheel. In this, red is zero or degrees, green is degrees and blue is degrees, with other colors spread between these. Artists just used names, such as burnt umber and vermillion, which are often based on the pigment materials used to make the paint. Psychologically, the meaning of colors varies with culture but has common patterns of interpretation, such as red is arousing as it indicates danger, blood, fire and sex, while blue is calming, indicating sky, water and sadness.
Saturation is an indicator of the intensity of a hue. Higher saturation hues appear 'stronger', for example being 'more red' or 'more blue'. Turning it up adds color only until it is fully saturated so turning luminance up on a fully saturated color has no effect. Turning down saturation on a photograph will make it become 'black and white' or monochrome. In a color photograph, many hues are not fully saturated. Turning up saturation will push unsaturated hues up to become increasingly saturated, creating a garish look.
In a subtractive system such as paints, saturation can be decreased by adding white, gray, black and even the complementary opposite color when adjacent, complementary colors are highly contrastive.
In a photo editor, you can change the saturation of any pixel by seeking out RGB sliders for it, then bringing the three sliders closer together. When they are at extremes, you will see full saturation. When they get closer, saturation decreases. When they are all at the same level, you will see a shade of gray indicating zero saturation. This is simply using the max - min effect. Psychologically, more saturated hues are more arousing. Bright days get us going while dull, overcast days show only less saturated colors and are more depressing.
Luminosity is a measure of how bright or dark a hue is.
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