![]() This means that there will be a loss of detail, because Of an image: the greater is the contrast, the greater is the difference between light and dark tones, while the medium tones remain unchanged.Ī pratical example is a photo in a cloudy and foggy day: it has low contrast, because everything is "greyish".īe very careful because exaggerating with the contrast will "burn out" the highlights and shadows. The contrast technically is the visual ratio of different tones in an image, to put it simple, we can say that it determine the "clarity" (over expose) the very bright areas, so it is generally necessary to reduce brightness to compensate. Generally is better to adjust the contrast before the brightness. You can easily do some tests to see the results, with a correctly exposed photo it will be hard to use an intensity bigger than The brightness lightens or darkens the image as a whole, raising it too much will turn black into a dark gray, lowering it will turn white Proceed by open the window Colors → Brightness-ContrastĪnd change the settings on the two scroll bars as you prefer, I used these parameters: The only advice I can give you, is not to overdo it. Remember that SLR cameras will take less contrasted photos than compact cameras and phones. Your personal taste and from the photograph. There are no correct parameters for these settings, it depends a lot on Let's start by adjusting the brightness and contrast of the photograph. Original photo After brightness, contrast, hue and saturation Brightness and contrast I want to be clear: I'm not fully satisfied with the result, but let's see the photos first, we'll be back on problems I will use a photo taken with my phone during a ski trip. Tool will allow you to improve your photograph in few seconds. If you are still here, it means that you don't want anything advanced, in this case the combination of the Colors → Brightness-Contrast tool and Colors → Hue-Saturation If you are looking for more precise, correct and advanced tools, I invite you to read the tutorial about the exposure andĬontrast adjustment using the histogram on the Gimp Level Tools or, even better, the tutorial for exposure and contrast adjustment using Gimp curves.Ībout the corrections of hue and color saturation only, this guide is indicated as a complement to the two that I have linked above. So remember that this tutorial is dedicated to those who are looking for the easiest and fastest way to adjust brightness, contrast. In this tutorial, but you may prefer to not complicate your life. Gimp also provides much more precise and advanced tools than those we are going to see ![]() These steps, that are the ABC of photo editing, are actually almost always necessary, or in any case recommended, to fix any photograph. With Gimp it is possible, in a really easy and immediate way, to balance the exposure of a photograph (lighten or darken it), increase or decrease the contrast and adjust the hue and saturation of the color. ![]() Gimp tutorial: Brightness, contrast, hue and saturation Gimp Tutorial: easily adjust brightness, contrast, hue and color saturation in a photograph for basic photo editing in few seconds.
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