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Thread: The Weird Saturation Thing

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  1. #1
    Join Date
    Mar 2017
    Posts
    20

    The Weird Saturation Thing

    So one of the things that I've been fighting with for the entire time I've used ArtRage has been this weird chroma shift when blending that overshoots the chroma of the colours being mixed. The dark one here is an orangey brown and a slightly more yellow near-grey, and the blend is significantly more red than either colour. In the lighter pair, there's a desaturated orange and a somewhat more yellow near-white that generates a streak of near-lemon that looks green in context.

    Click image for larger version. 

Name:	weird-colors.jpeg 
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    Does anyone else struggle with this? Is this a bug (like a precision issue)? Do you have tips beyond "don't mix those colours" or "manually choose your midtone?"

  2. #2
    Join Date
    Apr 2012
    Posts
    560
    Quote Originally Posted by mr_reidpants View Post
    So one of the things that I've been fighting with for the entire time I've used ArtRage has been this weird chroma shift when blending that overshoots the chroma of the colours being mixed. The dark one here is an orangey brown and a slightly more yellow near-grey, and the blend is significantly more red than either colour. In the lighter pair, there's a desaturated orange and a somewhat more yellow near-white that generates a streak of near-lemon that looks green in context.

    Click image for larger version. 

Name:	weird-colors.jpeg 
Views:	129 
Size:	161.5 KB 
ID:	93083

    Does anyone else struggle with this? Is this a bug (like a precision issue)? Do you have tips beyond "don't mix those colours" or "manually choose your midtone?"

    Hello mr_reidpants


    If you do a search on my posts you will find this has been investigated, and discussed at length. It's real, and I struggle with it.


    NOTE: With the advent of the custom brush in AR5, blending with paint, and with depth (AR6) has improved markedly.
    My statements in this thread are outdated.

    .......................


    The programmers even have offered their explanations for what causes it and predictions about whether it will or will not continue to happen in ArtRage in the future.

    I actually got a little spirited during one exchange and almost got banned!


    I have resorted to insta-dry and a lot of thinners, essentially blending by "glazing", while taking samples (alt key) to pick desired in between colors.

    Best of Luck!
    DO
    Last edited by DarkOwnt; 08-27-2020 at 01:44 AM.

  3. #3
    Join Date
    Oct 2016
    Location
    Maceió, AL - Brazil
    Posts
    106
    O yeah, I also hate this...
    The solution I found was to stop using the traditional tools (oil and knife). Althought I really like them, with the new custom brushes the blending works more like what we want, without this saturation shifting. Try that.
    The picture below shows the settings I used to maintain a good amount of blending. The color pickup must be very low, or otherwise you are just going to be blending and adding almost no paint.
    At some point I am going to share the brushes I made.

    Name:  Screenshot_61.png
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Size:  203.4 KB

  4. #4
    Join Date
    Apr 2012
    Posts
    560
    Quote Originally Posted by Daniel Aubert View Post
    O yeah, I also hate this...
    The solution I found was to stop using the traditional tools (oil and knife). Althought I really like them, with the new custom brushes the blending works more like what we want, without this saturation shifting. Try that.
    The picture below shows the settings I used to maintain a good amount of blending. The color pickup must be very low, or otherwise you are just going to be blending and adding almost no paint.
    At some point I am going to share the brushes I made.

    Name:  Screenshot_61.png
Views: 306
Size:  203.4 KB
    Thanks DA!

    Looking forward to your brushes!

  5. #5
    Join Date
    Mar 2017
    Posts
    20
    The simulated impasto is a pretty big deal for me though; it's definitely ArtRage's standout feature.

  6. #6
    Join Date
    Oct 2016
    Location
    Maceió, AL - Brazil
    Posts
    106
    There is a similar problem in Krita when working with 8 bit color depth images... The blending brushes also have a weird problem with saturation. But then someone found out that if you used 16 or 32 bit color mode in Krita this problem would disappear. I don't know if this is something that the developers of artrage could take a look... just a suggestion.

    Cheers.

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