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Adding Shades and Values to Your Artwork

Madeleine Jacobs
www.ArmChairPaintClasses.com 


Shades and Values; What's are They?
    
Using Shades and Values in your Artwork

     I've been told that the human eye can distinguish approximately 256 different colors and differentiate between 10 to 12 different shades. And that the computer can distinguish between millions. However, you'll probably get a much different estimate on what the human eye can actually see, one that will vary into the millions, depending the the sources that you consult.

   And shades and values, as well as color, will vary not only from computer to computer, but from human eye to human eye as well. So how can you use shades and values in your artwork to complement a painting? And why is it important?

  

When drawing, I like to have my students create a gray scale chart of 10 values. Usually, this is all that the human will distinguish in a painting even though there are an infinite number of grays. But when pencil painting them, you'll only be able to see just a small number of them and you'll drive yourself crazy trying to create millions of them, let alone 256 of them in an entire painting. You'll find yourself quite reasonably happy with 10 when you create a painting and you'll be amazed with the end result.

   Your gray scale should consist of a 100% dark (black) to a 100% light (white paper) with 8 varying shades of gray in-between. These can be created from a variety of different pencils from different pressures, from strong heavy strokes to light ones. You can take your lightest pencil and use your heaviest pressure to make the darkest value to the lightest pressure. A heavier leaded pencil, an HB, will give you different results.

Shades are what gives an object it's depth. It adds 'weight' to it and gives it the appearance of a 3D object. Your work will no longer look like an outlined character cartoon or comic strip feature, or look like it's been designed specifically for a coloring book....you've added depth.

Start by drawing a small outline of something simple, something that you are comfortable doing. It should be easy enough that you can fill in with your pencil when you begin to work off with your value chart.

Decide where your light source will come from. Where ever the light will hit, then the dark areas will be opposite and therefore, the darkest values will be. These will be the darkest values and the darkest shades from the value/shade chart that you will use. The lightest will be where the light source is.

You will need to determine how many grays to use in the areas between and where to round out your sample exercise. In this little tree, you'll notice it no longer looks flat from its original line drawing because it's been filled in with shades of gray, or values of gray. Starting from the point farthest away from the light, I used the darkest value, a darker gray. As I began to work forward toward the lighter areas, my source of light, I choice lighter values of gray and let my strongest contrast, the white, be my paper. This would be the 1 on my value scale with 10 being my black.

   You can make a value scale for each pencil you choose to use; from H, HB, to F; all depending on the ones you like most to use. Let practice and your natural desire lead you from here to choosing the tools you plan to work with. The value chart is just a tool you'll work with in the beginning. Over time experience will guide your hand the rest of the way.

Madeleine Jacobs.

February 2/16 /2007

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