Colour Variation when using "Darken" transparency

Forum|Forum|4 years ago
December 13, 2021
返信数 2.
1744 ビュー

Why am I getting a colour variation on screen when using the "Darken" mode in the transparency field.
See attached screenshot.
The "Substrate" spot colour has the "Darken" applied which is layered on top of the colour wedges.
Should the colours of the wedges not display the same irrespective of whether "Overprint Preview" is on or off?
P.S.
I've tried the "Multiply" function as well but there is still a variation in colour albeit not as bad as the "Darken".

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c.pfaffenbichler

Community Expert

When working with Spot Colors one should stick, in my opinion, to managing Overprinting with »Overprint …« (in the Attributes Panel) instead of using Blend Modes.

Ton Frederiks

Community Expert

Darken separates the spot in the same way as Overprint and has the advantage that pdf viewers that don't support Overprint (like Apple Preview and the preview in this forum) show the expected preview. Darken also gives a better result when the spot has to be converted to process colors.

Overprint_vs_Multiply_and_Darken.pdf

Pre-Press作成者

Participating Frequently

Thanks, let us know where to vote.

https://illustrator.uservoice.com/forums/601447-illustrator-desktop-bugs/suggestions/44561601-colour-variation-when-using-darken-transparency

Ton Frederiks

Community Expert

I suppose the underlying colors are a neutral grey? I cannot reproduce that, there is a slight variation with Overprint on and off, but not a color shift.

Can you share an example file?

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