Hue-Saturation is a powerful tool for removing colors I only have one iMac keyboard and it’s not even from Apple, so I can’t test this myself – let us know in the comments if it works for you.
#GIMP REMOVE BACKGROUND MAC#
Step 3: Removal TimeĪt last, with your color completely selected, it’s time to delete the pixels! If you’re using a PC, you can just press the Deletekey, but Mac users may find this doesn’t work depending on which keyboard they use.
If you look closely, you’ll see the cursor displays a small + or – sign to indicate whether you’re adding or subtracting from your current selection. You can also remove areas from your current selection by holding the Ctrlkey. In order to add new areas to your selection, hold down the Shift key while clicking the next spot on your image. To select all the characters that spell “Bond Street”, you’ll have to add each character individually since they’re also separated by the navy background. To select the two halves of the red circle, you have to combine multiple selections. Increasing the threshold setting overcomes the slight gradient from top to bottomįuzzy Select will only select contiguous pixels – pixels that are connected in a direct chain from one to the next. I want to select the gray background and remove it, but there’s actually a fairly big numerical difference between the grey at the bottom right and the grey at the top left. This photo of a sign for the Bond Street underground station in London looks like it has fairly straightforward colors: gray, white, navy, and red. This might not make sense at first, so take a look at the examples below. Fuzzy Select will select all the pixels within the specified threshold that are directly connected to the first pixel you click on. The most important setting it has is the Threshold setting, which determines the color range of pixels that will be selected. The Fuzzy Select tool is the simplest automatic selection tool for this kind of work. The selection method you use will depend on the kind of image that you’re working on, and where the color you want to remove is located. In order to remove color in GIMP, you’ll have to actually tell it which color you want to remove. If you try to remove your selected pixels without the step, you’ll just wind up filling your selection with your current background color.
That’s all there is to it! Now you’ll be able to remove color and leave only transparent pixels behind. Open the Layers menu, select the Transparency submenu, and click Add Alpha Channel. In order to support transparency, GIMP needs an alpha channel to keep track of which pixels are transparent and which ones are opaque. This step is only necessary if you want to actually remove pixels from your image and leave a transparent section.
#GIMP REMOVE BACKGROUND FULL#
The Full Guide to Removing Color in GIMP Step 1: The Alpha Channel So if this guide is a bit too brief, or you’ve got a more complex image, read on to learn some other ways to remove color in GIMP. There are a bunch more options that you might need, depending on your image.
#GIMP REMOVE BACKGROUND HOW TO#
That’s how to remove color in GIMP – or at least, one of the easiest ways.
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