GIMP :: How To Keep Image One Color
Dec 18, 2011
I have a simple silhouette design that I spent a long time creating and cropping out. I made it one solid color so after I saved it I could use it as a layer and change the color with the bucket fill tool. When I saved it, then opened it up again it appears one color until you zoom in, where it shows it is actually a number of different shades of that one color which makes it very hard to change the color of the image. How to do this so I can save this layer and change the color of it easily? It is going to be part of a logo I am doing and do not yet know the color scheme.
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Apr 5, 2012
I want to select a specific color from within the image, and change all similar colors within that image to a different color. In other words, after using the Color Picker Tool to select a color from the image, I want to take the selected color (and everything in the image that is equal to or similar in color), and change them all to a different color.
I tried using the Path's Tool to create an outline in the image, and changing colors that way, but it changes all the other colors in the selection I don't want to change. I just want to change all colors in the image/selection that are equal to or similar to the selected color. How do I do this?
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Nov 13, 2012
I'm attempting to tilt this image for use in a game im writing. I've been using Map Object and rotation (Y) but this then causes pixel color changes on the boundary with the background color. How would I tilt this picture without getting the problem?
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Jun 30, 2011
I have an image and all I want to do is change it to a different color. So if the image is mostly red, I want to shade it blue but still keep its quality, meaning the light-red pixels will turn light-blue, and the dark-red pixels will turn dark-blue.
I prefer an option that automatically changes all the colors for the entire image, but if there is a shader tool where I have to manually shade the image, that'll work too.
I input the image, then I went to Image > Mode > RGB, and from there I went to Colors > Colorize and used the sliders to change the image to the color I want.
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May 22, 2011
Is there a way to take a color from another image and paint with it?
For example;
Uploaded with ImageShack.us
I would like to take the black and blue background color from this image and use it as a paint. Is that possible?
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Jan 9, 2012
I discovered GIMP 2 days ago and I am pretty excited to get started with it. The only problem is that I am a total newbie. I would really like to change the color of this image from black to blue but how to do so and the tutorials that I have found online don't really apply to what I am trying to accomplish.
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Mar 22, 2012
I have a jpg image of a face/neck/shoulders of a person, in color. I'd like to grey-out just the person and leave the background white (like it is currently).
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Feb 24, 2013
i recently started using GIMP and i made afew stencils with pretty decent success. i started making my 3rd stencil and when i go to fill the image with a dark color, it fills with dark gray instead of dark green, and the light color wont fill at all.
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Feb 24, 2013
I'm a machine knitter. I'm converting images into 2,3 or 4-colors for knitting on my compuerized knitting machine. I need to have a separate "line" for each color of the image in order for my machine to knit with yarn of that color. If 4 colors, I must knit 4 times for each row, once with each color.
I'm doing pretty well with creating the needed image file of 2,3 or 4 colors, but have no clue how I might be able to create a master monster file where each horizontal "line" is essentially exploded into 4 lines, one for each color.
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Jul 28, 2011
I've been trying to print an image I made with GIMP in cyan colour, but the printer prints it in green. I even tried to print at Staples, but it still comes out in either green or regular blue. How to fix this discrepancy? Shouldn't you be able to print the image exactly as it is shown in GIMP or is there an issue involving JPEG files?
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Nov 19, 2012
I have been working on colorization, by putting a transparent B&W image over the color background, all is good apart from when I do people and just want to show their eyes in color. Allot of the times eye color comes out wrong, for instance, when I did my daughter her eyes are blue but color came out brown eyes.
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Jul 10, 2011
I am pasting a color image onto a BW background. When I do this the image converts to BW. How do I prevent this from happening? I want to keep the background BW and the pasted images color.
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Oct 28, 2013
I need to transform a selection of ranges of grayscale image in colors. For example: using GSM of a gray scale image as a parameter I want to recode pixels from 0 to 20 in red, 21 to 40 in orange, 41 to 60 in yellow and so forth... until pixel valued 256 in GSM.
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Dec 26, 2011
I have a jpeg image of a motorcycle on a pure yellow background. I want to make the yellow transparent. Naturally there are a lot of spaces within the motorcycle image that contain yellow.
I followed instructions I found...
Removing the background of an image
1) add an alpha channel to your layer
2) use colors/color to alpha and use the background color
This results in the checkerboard being applied to the motorcycle, not the yellow background. I assume that's okay.
This makes all the pixels with the background color transparent, and those with a close color partially transparent.
Then:
- select the background with the magic wand,
- grow the selection by a couple of pixels to ensure that the border of the sprite is in the selection (the most important work of color-to-alpha is on the border pixels, so they shouldn't be protected)
This selects only the area outside the bicycle, but I don't mind reselecting smaller areas, if I can.
- grow the selection by a couple of pixels to ensure that the border is in the selection (the most important work of color-to-alpha is on the border pixels, so they shouldn't be protected)
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Jul 24, 2013
I am trying to produce a new logo for our business that has a solid Blue cloud image on a transparent background. I need to add text over this but ideally it will show as white over the cloud background but blue when its over the transparent background.
Cant simply change the color of text as its a curved edge its going over. I assume I will need to do some form of punch out but not sure how to start this.
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Sep 16, 2011
When adding a foreground image to a "flaming" blue background, I find that the image I add takes on the blue colors of the background, rather than keeping its original colors.
The linework and highlights (indeed, most of the detail) remain - they just all turn blue, heh. Like it's trying to camouflage itself. How do I keep the foreground image from "masking" itself to the colors of the background?
Both background and foreground image layers are in .xcf format. Could this be the problem? Do I need to change one or both to something like .jpg or .gif?
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Feb 4, 2013
I have been trying (without much success) to figure out a way to change all non-white color elements on a picture to a single set color, and was wondering if that is possible to do in GIMP.
For example, I'd like to turn something like this tri-color Italian flag. To this, where the blue color is a color of my choosing.
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Nov 22, 2012
OK I have a PNG image, black and white. I want to change it to navy and white, IOW sub 0033 for black wherever it is.
Only one prob: some of the squares are SHADES of black, and I want to sub navy for black in EVERY pixel it inhabits, however pale.
How can I do this without trying to identify and translate every shade represented? Does a filter exist for this?
Is there a way to search and replace using masks for HTML color codes or some such (don't even know how color codes work)?
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Oct 10, 2013
Here is the image I am working with.
I want to change the color to hex #00aced (0, 172, 237). I tried the colorfy, but the image comes out purple. Another way that has worked for me in the past, with white images, is by clicking on the channel dialog and dragging the red down. Clicking on the eye, next delete the original image and than add a new foreground color based on what color I selected from the palette. Of course this isn't working either since the image is so dark.
Now in channel mixer it could work if the RGB would go higher than 200, but since my blue is 237 this is where I am stuck. It has worked with other colors, as long as the RGB is less than 200. This is by selecting each output individually, for example, starting with red and entering a value in red and leaving green and blue at 0. Next selecting Green, entering a value in green and leaving red and blue at 0, and so on... Is there some type of mathematical solution for using the channel mixer, or simple yet, is there a way of making my image more white, without losing my shadows?
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Nov 24, 2013
Take a look at the following site:
[URL]
For the background image halfway down, there's a totem pole sort of "merged" in with the color. But it's not simply an overlay blend mode or opacity change. It has essentially seemed to adopt an entire palette based on the background color itself.
I think I recall a way to create this effect in Photoshop, but in GIMP I'm stuck. How would one go about making that "color overlay", given any regular picture and a colored background? I'm doing this for a website, by the way.
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Oct 22, 2011
I have a photographic image, I need transparent background. So normal add alpha channel, select by color, clear, save as png.
But this time, select by color also selects parts of the image I do not wish to clear, including the models eyes. Set the threshhold to zero and it *still* selects parts of the image.
The image is already isolated from background. I tried using paint bucket to change background color and select by color that way, and it sort of works except paint bucket doesn't fill in parts where the models curly hair cut the path, so I end up with transparency but white background parts in her hair.
What would be cool is if I could select by color, and then manually use some tool to deselect the selected parts on the model that I do not want to clear, but I can't figure out how to do that.
GIMP 2.6.9 on CentOS 6 for x86_64
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Sep 21, 2013
First time using GIMP. Following the directions here: [URL] ......
Using, "Color to Alpha," I tried to select the background of my .jpg image. The background is white, the picture (logo) portion is silver. Because of the closeness in color, when I select white, the software selects the entire image to become alpha (transparent).
When I select the color of the picture, silver, I am able to select just the logo portion. How can I take the logo portion, which is now converted to transparent, and give it a black or transparent background, and then return the logo back to its former color silver. The logo is perfect, it is just that I recently switched my site from a white header to a black header and the image has a white background, so that does not look good.
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Jul 10, 2011
For a person’s signature, I used the paint brush tool to make small changes to a text font and then saved the image with a transparent background in .xcf file. How do I now change the color of this image from black to another color?
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Feb 21, 2013
What is wrong with my GIMP? This behavior persists in every 2.6 and 2.8 build I've tried, in fact I'm pretty sure I first discovered it somewhere in 2.4 .
It's GTK bug #644032 - certain adjustments made to the Hue-Saturation tool (with overlap) may have problems handling the red/magenta wraparound properly. Which was supposed to be fixed eons ago (and with exception of this one specific usecase, it already WAS - see GTK #527085).
It originally happened while trying to adjust the color balance on a scanned image containing ambiguously red/magenta hues (yes I know we have an actual tool for Color Balance, but I've never been able to quite wrap my head around what adjustments yield which results). I have attached a sample file demonstrating expected vs. actual results with this usecase. My GIMP is clearly screwing the pooch on these adjustments ... but HOW, because even when I browse the online git repo the relevant source code looks like it should work perfectly (I've even mentally stepped through it and verified correct results, unlike my actual GIMP).
Try performing the same adjustments on your GIMP (note which build and version) - do you get the same results I do?
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Jan 11, 2014
I have an image that has elements pasted in from PNG files, and those elements have some shades of green. I want printed output in gray scale only, so I did Image -> Mode->Grayscale. The image on screen went gray as I wanted. When I print it, however, I get an image in which *some* of the colored parts still are colored!
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Apr 7, 2012
How can I find all pixels in an image with an exact, specific color? So far, I've only managed to find the pixels matching a pixel I click on; but I wish to find pixels matching a specific color value!
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Sep 9, 2012
I am currently trying to combine a color photo frame with a black and white image, but every time I open the frame in "open as layers" the frame turns to black and white as well as the photo. I have no problem when using color photos. Is there a way that I can do this so that my photo frame remains it's original color with the black and white photo inside.
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Apr 20, 2012
There seems to be tons of threads on how to make a transparent image, but I haven't been able to fine one to do one specific thing.
How do I set the alpha channel to be black? I want to have a black background on a png file, but I need the black to be transparent to things behind it on a webpage.
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May 22, 2013
How I choose a color for any new objects I want to create. I've opened the toolbox with ctrl-b, which appears on the left side of the window. If I want to , for example, draw a red rectangle, I use the rectangular selection tool, then the bucket fill, and I don't see how to change the foreground color to red.
I've read elsewhere in the forum that there should be two rectangles somewhere on the screen that show foreground and background color, but I don't see them anywhere.
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Dec 22, 2012
how to use a MacBeth color chart to the X-rite color checker in GIMP?
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May 27, 2011
So Ive learned how to turn a color photo to B&W with spot color ...how to turn a color photo sepia, but also spot color. I have a wedding photos that I think would be a fun shot to play mixing those colors together . I have searched for the info earlier today and wasnt successful .
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