Legacy ImageMagick Discussions Archive

Thank you all for the detailed responses - they were very helpful.

Hi Jason, thanks very much for the response.

I tried your suggestion and it worked.

I'm a bit confused though - where does the YCbCr conversion come into play? When I create an image with:

convert -size 460x460 'xc:#F4F2EA' -quality 100 -depth 8 temp.jpg

the resulting image indicates the the ...

I'm puzzled, though, why JPEG would need to alter the colour when the quality is set to 100 and there's only a single colour.

PNG isn't an option, unfortunately - we're converting PNGs with a transparent background to JPEGs for a customer because of their enormous size.

To do this we are creating ...

I am trying to generate a simple blank canvas from an RGB value and save it as a JPEG.

The command I am using is quite simple:

convert -size 460x460 xc:#F4F2EA -quality 100 image.jpg

Unfortunately, all of the pixels in the resulting image are slightly off: #F5F2EB

Here is the output of ...