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  1. #1
    Join Date
    Jul 2005
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    A color shading question

    I saw this in one tut, the artist says what we should not do in our painting

    When you're going for a realistic effect, don't shade objects all in different intensities of the same colour. """"A sea-green mug with light green highlights and dark green shadows will have a lot less depth than the same sea-green mug with pale blue highlights and hints of deep purples and reds in the shadows."""If you're working digitally, try and stay away from Photoshop's dodge and burn tools when you're shading -- these tools don't know anything about colour theory, and will end up giving your work a very flat, oversaturated look.

    Why we have to use different color to create shadow rather than different contrast to do that

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  3. #2
    Join Date
    Jan 2005
    CT, USA
    Thanked 1,082 Times in 231 Posts
    its not just about using "different" colors,
    you need to use the right colors.

    in the case of a single lightsource:
    what enables us to see anything is the light.
    shadows would be completely black if not for some light filling them in.
    since those shadows are on the opposite side of the light source,
    it is usually reflected light that allows us to see the details in those shadows.

    for instance, the sun is yellow.
    it lights up a white object.
    the light side appears yellow-ish.
    the light that is not hitting the object is hitting other things,
    like the sky.
    the light reflects off the sky, and takes on its color of "blue".
    that blue light is bounced around at various angles,
    eventually reaching the other side of the object,
    where it then enables us to see the lights in the shadow.
    that shadow appears blue.
    (shadows in snow are a good example of this)
    put a red piece of paper behind it,
    and the shadows will appear red.

    light bounces off of everything!
    so shadows will quite often have numerous colors in them.
    all colors from it's surroundings.
    - Dan Dos Santos

  4. #3
    Join Date
    Jun 2005
    Alabama, USA
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    In my non-digital experience, I use the opposite color (green for red, yellow for purple, etc) to help with shadows and highlights. I use it as an underpainting type thing and I think it adds more depth. Very lightly though, very lightly.

  5. #4
    Join Date
    Jun 2004
    stuttgart, (sindelfingen)
    Thanked 48 Times in 34 Posts
    The sky is blue, the sun yellowish, the grass is green.
    If we have a ball floating over the ground, it will have a shadow. This shadow is not fully black because the light of the sky (blue) and the light reflected by the grass (green) is lighting the ball in the shadows. We have blue and green colors in the shadow, mostly yellowish colors in the sunlit area.

    Edit: Damn I'm typing to slow. Already two answers.

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