Photoshop :: Image Colour Degrading
May 14, 2007
I just created an image for a website (The image was created using a number of layers and has a res of 180 pixels/inch).
The image in PS looks nice crisp and bright. When I save it down to either a .gif of jpg file and upload it the colours, when viewed via a web browser appear to have less luster and look pale by comparison.
I used the standard PS save settings when saving the file.
how I can improve the quality of my images?
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Jan 5, 2009
Here's a question I never really knew the FULL answer to...
If I take a jpeg image, and save it out as a 100% quality jpeg, does it lose image quality? I always operated (for many, many years) with the assumption that resaving a jpeg degrades the image quality... though I never knew the specifics, like:
1) Does saving as 100% quality save it without adding any image quality loss?
2) Does loading a jpeg (or any other compressed file, for that matter) into photoshop cause quality problems (because the file is already compressed)?
3) Would repeated loading and saving of the same jpeg at 100% quality continually reduce the image quality?
4) Even with an uncompressed image (say, one that you created in photoshop and haven't saved yet), does saving as a 100% jpeg reduce quality, or is it (at that level) like a lossless compression that simply looks for patterns or repeated blocks of the same colour?
5) Up to now, I've always used uncompressed Targas as my 'work image', and only created jpegs from it for emails or final display images (for my portfolio, etc)... with the assumption that as long as I'm going to be modifying it and resaving it, I should use an uncompressed file. Is that being unnecessarily cautious?
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Aug 19, 2013
I am designing a T Shirt for my ski club.I have taken an image from a banner (made in illustrator, full colour image attached) and I want to devide into a 3 colour image for the t shirt (I am only allowed 3 colours for printing).The colours I want to use are black, white and purple. The colour of the t shirt is a light blue.I want to then put the purple logo on top of the white and black too.So I'm after a black and white grunge background with a punchy purple logo on the top.All of this should be on a tranparent or, for design purposes, light bue (same as T Shirt colour) background.
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how to split a full colour image into using only 3 (4 including transparent/light blue background) exact colours.
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If I were going to black and white I might convert to grey scale and then paint areas to fully white or fully black using an overlay brush I don't think this works for me for more than just black and white though.
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I have attached two of my attempts where I used the colour range selection and level adjustments. Niether was really successful though (one does not use the right colours or number of colours but looks quite cool).
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Feb 25, 2004
I've been asked to convert an image to 2 colour for printing. I have the image as a full colour CMYK layout (with layers), but the whole thing needs to be converted to 2 colour. I have the pantone reference numbers for the 2 colours it is to be converted to. I am familiar with the hue/saturation tool, but this just seems to convert it to one colour, and you have no fine control over the exact colour you want.
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Jul 16, 2013
I use EdHarvey's colour tint tool and it changes colour of the whole image, I'm looking for something similar but it only changes selected colour, so that the image is left with mutiple colour scheme rather than just one, any addon that can do this?
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From this example, you can see the figure on the right is in a brownish colour scheme, what tool can I use in order to make it's colour scheme blue like the figure on the left?
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Mar 17, 2014
When I import anything into Premiere, the audio quality gets noticably muffled. I have tried exporting at the highest quality settings, but I don't think that's the problem becuase it sounds muffled in the playback in Premiere itself.Â
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Oct 31, 2013
When I shoot portraits, I like shooting in RAW with my Nikon D800. One of my favorite print labs is requesting that I reduce the size of the massive files that the D800 produces to an sRGB jpg and a size that is more suitable for 16x20s, 8x10s, and 5x7s since those are the sizes I usually sell. Because I use Lightroom (v. 5.2) 90% of the time to develop and export images, what can I do to correctly reduce the massive file sizes without fearing a reduction in image quality? I remember Scott Kelby saying in one of his publication (I can't remember which one) that it can be done with an image quality reduction for printing purposes. Do I reduce the Quality slider in LR, and if so, to what percentage without having any degradation of quality in the lab's prints?  Should I reduce the image sizing and resolution, and if so, to what without losing quality for the print sizes I intend to sell?
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Sep 23, 2012
Illustrator cs6 - I have used image trace to create a 3 colour image of a photograph. Is there a way to create layers based on the three colours? (One layer for each of the three colours)
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May 13, 2012
I am aiming to recreate the texture of the trees in this site map. It looks as though it was originally created with a marker pen, and has several shades of green that I want to also wish show. I have already created the trees, so its just the coloring i'm struggling with.
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Feb 7, 2008
do the people know if you can find matching colours in one image? as in i find a colour with certain RGB dimensions, can i find the same or 'roughly' the same colour and whereabouts the same colours are, in the same image.
the problem is im trying to paint a picture and i want to know which colours are the same so it correspsonds almost exactly when complete (its quite a fiddly picture so correct colours are essential)
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Dec 8, 2005
to saturate an image to make it all tones of one colour?
In particular "saturation_olive" is very smoothe with the shadows and tones still quite prominent.
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Jun 18, 2007
I need to put this color: 514a4a, in a image. But if I click Ctrl + U, it don't let me put the HTML color code: 514a4a.
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Apr 20, 2006
I'm new this forum and I really need help on touching and improving of images. For instance, the image below - I would like to have a clear/transparent background so it looks like those photos that are featured in catalogues.
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Sep 18, 2005
I'm starting with a colour image which I can transform into greyscale ok, but I want to retain a portion of the image as colour........
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Oct 6, 2006
I've scanned in an image of a drawing that I did on tracing paper with a black ink pen. When the image comes through onto my screen there are some white areas that are 'shaded' a 'dirty' brown colour. I could go through and try and erase all the shading but that would take ages and it's not very efficient.
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Aug 13, 2009
You can see on the attached image that there is a green wave form between the words. When i imported the pic into photoshop for my website design project the pic was this way but as a newb i think have changed a setting somewhere and now the waveform is white like the writing. Even when i import the image again the waveform it is white in photoshop but not when i open it indipendately.
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Aug 20, 2004
I have a image text logo which has a white background.
I would like to add a colour to the background without distorting the text.
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Jun 26, 2012
I'm trying to erase all of a single colour from an image. I use the colour range select to choose the colour (orange) however when I erase, it seems to erase an underlay underneath colours (esp yellow) in unselected areas.
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How can I stop this?
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Jul 2, 2012
I have an image which 256x256 pixels in size and i need it to be a 24Bit colour PNG. But the programme won't allow me to do it. where im going wrong or what ive missed. I have photoshop CS4 extended.
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Oct 28, 2011
I am trying to change the colour of a selection of an image - in this case a mug. So obviously, I want the mug and the mug only to change colour (and not the area inside the handle).
The mug is white meaning I cannot adjust the hue/saturation.
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Jul 9, 2012
I recently turned down a job (foolish I know) because I didnt have a clue how to go about doing it.
I was asked by a shoe company if I was able to photoshop a load of images of white wedding shoes and change each one into the 35 colours they offer.
Attached is the sample they sent me which I've cobbled together showing one of the colours they do (green) and one of the white shoes that would need changing.
Now while Im not a photoshop pro, I have the basic grasp of selecting objects using the quick selection tool etc.
The two burning questions for me would be:
1) once I've selected the area of the shoe that needs changing, how to change the colour. I know I could "paint" the shoe with a colour and set it to say 50% transparent so you can see see the shadow etc but how do you change it and keep all of the shading etc?
2) The reflection - this seems a near impossible task. How to select just the bits needed?!
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Oct 20, 2007
I have been given a colour background which is mostly blues but its a cymk jpeg image and for print it needs to be converted to a spot colour in photoshop.
I dont really use channels etc and cant find a good tutorial on how to convert it to a spot? Could someone please give me a guide if thats possible?
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Mar 12, 2009
I need to change my CMYK image so its suitable for Spot..
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Jan 26, 2006
I have an image of a seed that is currently black and whit and I would like to make it beige but keep the original... well ?texture? Don’t really know what to call it.... but the look of the seed. Basically I want it to look exactly the same except in a different colour.
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Sep 17, 2012
I have an image in photoshop that is currently black and white, but I would like to print in a monochromatic green, as in just #00ff00 colour; so that it prints in green and white. How do I edit the image so that it prints like this?
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May 16, 2012
I'm frequently creating .gif and .jpg images for web ads and these have to be within a strict 40KB size limit which is often tricky for larger formats. Now a new 'fireplace' format has been created that is an ad that is an image frame around the sides and top of a web page, consisting of two vertical pieces each side of the page and a horizontal bar along the top that links both the side pieces into a single seamless image. This means that I have to create three separate image files, each of which has to be less than 40KB and because each of these pieces is also quite large I will have to carefully adjust the images settings in 'Save for Web and Devices' to get the file size within this limit. My main problem, however, is how do I do that whilst ensuring that the visual consistency between the images is such that it isn't noticable where the three separate pieces join?
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For example, if the side pieces have radically different style and colour of content to each other and the top part, saving these as separate .gif files could result in each file having a different indexed colour palette and number of colours etc, making the separate pieces look visually different and the places where they join look really obvious and clumsy.
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What steps do I take to keep within the file size for the images whilst keeping the images looking seamlessly consistent? This isn't as much of a problem in .jpg but there may be times when using .gif is more efficient - is there a way to save an indexed colour palette for .gif and apply it across multiple files?
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The master file is created as a single image in Photoshop CS4 and later split into three files which are saved as .gif or .jpg.
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May 8, 2013
I have an image that is currently cmyk colours. It has also been flattened.
How do i convert the colour profile to spot colour for the printer?
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Aug 24, 2012
How to change the colour of a specific object in an image.
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Aug 21, 2009
We would like to experiment mixing a spot colour in a normal CMYK image in order to expand the colour palette. Our problem is the fact that we cannot get Photoshop to show us the actual image once we have added the spot colour.
The spot channel shows as if it is being printed on top of the CMYK colours instead of being mixed with them. This makes it very difficult to judge what adjustments have to be made to the image. Of course, saving the file as a DCS2 and placing it in InDesign shows us what we want, but this is too much jumping back and forth between programmes to be efficient. We are runnnig CS3 on Windows XP Professional.
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Oct 3, 2008
way of adding colour to a black and white picture? I have the original in colour, but I want to change it to black and white and then put a bit of the original colour back into a couple of places...
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May 24, 2006
I have Photoshop V7. When I open an image, then go to the image toolbar - 'adjustments' - auto colour/contract, my image goes white. Needless to say I have tried to correct this without success. I tried uninstalling the program and re-installed it but I still have the same problem.
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