How to Block In Skin Tone Values Using Glazing Technique

A step-by-step guide to glazing technique in acrylic portraits

Achieving realistic skin tones in acrylic portraits requires a nuanced approach, combining color theory with technique. The glazing technique, a method involving the layering of transparent color, can be highly effective for this purpose. In this post, we will explore how to block in skin tone values using the glazing technique, drawing from a practical demonstration by artist Matt Philleo. Whether you’re aiming for lifelike detail or a more stylized finish, this guide will help you understand and implement the essential steps in your acrylic painting.

Understanding the Glazing Technique

The glazing technique in acrylic painting involves applying thin, transparent layers of paint over a dry underpainting. This method enhances depth and richness in colors without overwhelming the underlying details. When blocking in skin tones, glazing allows for subtle gradations and realistic shading, critical for achieving lifelike results.

Step-by-Step Guide to Blocking In Skin Tone Values

1. Prepare Your Palette: Start by setting up your palette with essential colors. For skin tones, commonly used colors include raw umber dark, raw sienna, alizarine crimson, and occasionally ultramarine blue. But these colors will form the base of your glazes, which are mixed with a matte medium to achieve transparency.
2. Block In Basic Shapes and Values: Begin by analyzing your reference photo to identify the key shapes and values on the subject’s face. Because, blocking in these shapes with a darker tone, such as raw umber dark mixed with matte medium, helps establish the foundational values. But, this step is crucial for building the structure of the portrait.
   • Technique Tip: Use a round brush for precision. This allows you to carefully place glazes in specific areas, such as the darker regions of the face, while preserving the light areas.
3. Layering Glazes: Apply your first glaze layer over the basic shapes. For example, mix raw umber dark with raw sienna and alizarine crimson to create a flesh tone, and apply it to the areas where shadows naturally occur. This layer should be thin and transparent, gradually building up the color intensity.
   • Technique Tip: Patience is key. When glazing requires multiple layers to achieve depth. Because it allow each layer to dry before applying the next to avoid mixing colors unintentionally.
4. Adjusting Skin Tones: As can be seen your progress, you may need to adjust skin tones to match different areas of your reference photo. For cooler skin tones, incorporate a touch of ultramarine blue into your glaze mix. For warmer tones, consider adding pyrrole orange or indian yellow. Adjusting these colors will help you match the diverse skin tones present in your portrait.
   • Technique Tip: Monitor the transparency of your glazes. Adding more matte medium will help maintain the transparency necessary for effective glazing.
5. Refining Details: Once the basic values are in place, focus on refining details. Use a smaller brush to add more precise glazes to areas such as shadows around the eyes or lips. This step helps in achieving a more nuanced and realistic appearance.
   • Technique Tip: Apply glazes in thin, smooth layers to avoid creating harsh lines. Gradually build up the color to achieve the desired effect.
6. Final Adjustments: After blocking in and refining your skin tones, assess the overall portrait. Make any necessary adjustments to ensure consistency and harmony in skin tones across the portrait. This may involve adding additional layers of glaze or adjusting existing ones.
   • Technique Tip: Stepping back from your work periodically can help you see it from a different perspective and make more informed adjustments.

Blocking in skin tone values using the glazing technique is a powerful method for creating depth and realism in acrylic portraits. By layering transparent colors and carefully adjusting tones, you can achieve lifelike results that capture the essence of your subject. But remember, patience and practice are essential in mastering this technique. With time, you’ll find that glazing becomes an invaluable tool in your acrylic painting repertoire.

Tips and Techniques Recap:

• Use a round brush for precision in blocking in values.
• Mix colors with matte medium to create transparent glazes.
• Apply glazes in thin, smooth layers and allow each to dry before adding more.
• Adjust colors based on skin tone variations and monitor glaze transparency.
• Refine details with smaller brushes and assess the overall portrait for consistency.

By following these steps, you’ll be well on your way to mastering the art of blocking in skin tone values using the glazing technique.

Read more about my additional resources, tutorials, to learn more and check out my free courses here. . Whether you’re a beginner or an experienced artist, there’s always something new to learn and apply to your paintings. Happy painting!

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Read more about how to paint a portrait that you can surely be proud of!

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Yours for Better Portraits,

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