[scribus] White versus transparent pixels question

[Marco]

This is just to say thank you for the support in this list.

My first work produced with Scribus is on his way to the printing house....

Marco

Il 25. 04. 16 14:48, Gregory Pittman ha scritto:
> On 04/25/2016 08:18 AM, Vladimir Savic wrote:
>> You are on the right track, but not quite there. Your paper color is the
>> whitest white you can get without using real white color. If you change
>> white to be a bit darker, you are essentially just adding more pigment on
>> background. Even if you choose to print on a black paper, you will again
>> just add more pigment on that black, thus making it more darker.
>>
>> To get an idea on how it COULD work for you, take any png image and import
>> it into Scribus' image frame. Define two custom spot colors: ExampleColor1
>> and ExampleColor2 with arbitrary color values. Important is to just mark
>> those two as spot colors. Go back to editing object on canvas. Find out how
>> to add Image Effects. From there, choose Duotone effect and set it to use
>> your custom defined colors.
>>
> Another way of thinking about this is that if you are going to be
> printing white on colored paper, you will need a quite opaque ink to
> make sure it covers the background and looks white. This is one of the
> roles of spot colors. Sometimes you want to have a spot color, like
> silver, that can't even be represented in the RGB colorspace.
>
> Greg
>
>
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