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Change background of logo from off-white to white

Nov 7, 2011, 04:28
Post: #1
Change background of logo from off-white to white
Hi,

I created a logo and then opened it as a layer so that I can make a website header image. It is shown here http://www.katyj.co.nz and as you can see the background is an off-white colour. It is probably unnoticeable to many, but I would prefer to get it right. How can I make the background a pure white so that it blends in with the white of the wordpress theme?

Thanks
Glenn
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Nov 7, 2011, 07:33
Post: #2
RE: Change background of logo from off-white to white
I don't see any difference between the background of "Katij" and the rest of the page, and sampling point in your image shows that its background is indeed pure white. If you are using OSX, color management may cause this (a color profile is applied to the image but not on the colors as defined in the HTML and CSS).

In any case, the proper way to create such a picture is to use the PNG format (see http://gimpforums.com/thread-pros-and-co...ge-formats) and to not give it a background. Parts of the image outside of the logo will remain transparent and the page background will show through.

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Nov 7, 2011, 08:51
Post: #3
RE: Change background of logo from off-white to white
Thanks, I was posting back here to say that I changed it back to a jpg file that I knew didn't have the off-white surround, so that is what you saw.

The original was a png file. I created the logo by first using Create--> logo and saving as a jpg I believe. I then opened it as a layer on a new project and played around with the image scale of the whole new project and then saved it as a png file. I was playing and did not know the best way to do this sort of thing. I will have a good look at your advice tomorrow when my brain is rested.

Thanks.
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Nov 7, 2011, 09:16
Post: #4
RE: Change background of logo from off-white to white
(Nov 7, 2011 08:51)a_glennsmith Wrote:  Thanks, I was posting back here to say that I changed it back to a jpg file that I knew didn't have the off-white surround, so that is what you saw.

The original was a png file. I created the logo by first using Create--> logo and saving as a jpg I believe. I then opened it as a layer on a new project and played around with the image scale of the whole new project and then saved it as a png file. I was playing and did not know the best way to do this sort of thing. I will have a good look at your advice tomorrow when my brain is rested.

Thanks.
Post the PNG here if you want us to have an opinion about it. Since you mention scaling, I noticed that when you scale down pure white, the 'sinc/lanczos' algorithm sometime produces artifacts and the overall color looks indeed a bit off, while the 'cubic" algorithm doesn't. The artifact colors are still quite bright (>250), so with the Curves tool they can be changed back to pure white without harm to the rest of the picture.

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