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Blocking in Shadows for a LARGE Acrylic Painting

How to Blocking in Shadows for a LARGE Painting

Learn the art of blocking shadows with acrylic glazing for dramatic depth in large paintings

When creating a large acrylic painting, one of the key elements in bringing it to life is mastering the shadow work. Blocking in shadows helps define the structure and form of your subject, adding realism and depth. Using an acrylic glazing technique enhances the shadowing effect, keeping it translucent while still maintaining control over the darker areas of the painting.

In this blog post, we’ll explore a step-by-step approach on how to block in shadows for a large painting. We’ll cover the essential tools, glazing methods, and tips to help you create a more dynamic, realistic piece of art.

Setting the Stage: Preparing for Shadow Blocking

Before diving into the painting process, it’s important to prepare your materials and mindset. I begin this painting session with a moment of reflection and prayer, setting an intention to create a work that captures emotion and depth. Preparation also involves setting up the canvas, sketching the outline of the subject, and sealing the sketch with a light glaze.

For this demonstration, a mixture of raw umber dark and ultramarine blue was chosen for the shadow work. These colors, when blended, create a rich, cool tone that is perfect for shadows. Here’s how you can apply this to your own painting:

Prepare Your Canvas: Start with a white canvas, sketch your subject, and seal the sketch with a light glaze using diluted acrylic matte medium.
Choose Your Colors: For shadows, a mix of raw umber dark and ultramarine blue works beautifully to create a cool-toned effect. These colors blend well and offer the right balance between transparency and opacity.

Step-by-Step: Blocking in Shadows

Creating the First Glaze Layer
Begin by applying a diluted glaze over the areas where shadows will be present. For large paintings, it’s important to keep a wet edge during the application process to avoid streaks or unwanted lines. Using long, sweeping brushstrokes, layer the glaze in areas where you want shadows to appear.
Maintaining Translucency
The beauty of acrylic glazes is their translucent nature. You can still see the sketch beneath the glaze, preserving the fine details as you work on the shadows. To achieve this effect, ensure that your glaze mixture has more medium than pigment, allowing light to pass through.
Building the Tonal Value Structure
Blocking in shadows is more than just applying darker tones. It’s about understanding the value structure of your reference image. In the demonstration, the artist frequently checks his reference photo to ensure that he’s accurately representing the light and shadow interplay. Study your reference carefully and build the shadows from light to dark.
- Tip: Cooler tones work well for shadows. Add a small amount of ultramarine blue to your glaze to give the shadows a cooler, more natural effect.

Techniques for Shadow Blocking in Large Paintings

Blocking in shadows for a large painting requires a few specialized techniques. Here are some essential methods to use:

Layering Glazes for Depth
Rather than applying one thick layer, build your shadows gradually by adding multiple thin layers of glaze. This will help you control the depth and darkness of the shadow, while still maintaining the luminosity of the overall painting.
Vary Your Brush Strokes
As you apply the glaze, it’s helpful to vary the direction of your brushstrokes. This creates a more natural and organic look, especially in areas with fabric or textures like rocks. For example, the artist worked on the figure’s clothing, carefully brushing in the shadows to maintain the folds and creases.
Use a Smaller Brush for Detail
Once the large areas are blocked in, switch to a smaller brush to refine the edges of the shadows. This technique allows you to add subtle details that make the shadowing more realistic.

Key Tips and Techniques for Effective Shadow Work

Keep a Wet Edge: When applying a glaze, always maintain a wet edge to prevent harsh lines and streaks. This will ensure smooth transitions between the light and shadowed areas.
Use Cooler Tones: Shadows should be cooler in tone compared to the lighter areas. Adding a hint of ultramarine blue to your glaze helps achieve this effect.
Layer Glazes for Control: Don’t rush the shadowing process. Build up the intensity gradually by applying thin layers of glaze until you reach the desired depth.
Pay Attention to Gradation: Shadows are rarely uniform in tone. They often fade or blend into lighter areas. Adjust your glaze to create smooth gradations between light and dark.

Applying Glazes to Specific Elements

In the video, I focused on several parts of the painting and then demonstrated the blocking in of shadows:

The Figure’s Clothing: By using a combination of raw umber dark and ultramarine blue, the artist darkened the folds of the figure’s clothing, preserving the highlights and lighter areas.
The Rocks: Shadows were added to the rocks behind the main figures, using a slightly bolder application of glaze. The cooler tones gave the rocks a natural shadowed effect, which contrasted well with the lighter areas.
Background Elements: Blocking in shadows for the background elements, such as the sky and distant stones, helps create a sense of depth and distance. In this case, the artist allowed the shadows to blend naturally into the lighter tones, creating a balanced contrast.

Finishing Touches: Refining the Shadows

Once the shadow areas are blocked in, the final step involves refining the details. Then I used a smaller brush to control the finer aspects of the shadows, ensuring that they didn’t overpower the highlights. This delicate balance between light and shadow is what ultimately brings the painting to life.

Pro Tip: If a glaze feels too bold, you can always lighten it by gently brushing over the area with a bit of water or clear medium to soften the edges.

Conclusion: Mastering the Art of Shadow Blocking

Blocking in shadows is a crucial skill for any artist, especially when working on large paintings. By using acrylic glazing techniques, you can add depth and realism while preserving the underlying details. Remember to take your time, build the shadows in layers, and constantly refer to your reference photo to ensure accuracy.

Master this technique, and you’ll find your large acrylic paintings gaining new levels of dimension and realism.

If you’re looking for more instructional videos on how to improve your acrylic painting, visit www.realisticacrylic.com for more tutorials and check out my free courses here. .

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Yours for Better Portraits,

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How to Paint Short Silver Hair in your Acrylic

/ Real Time Tutorial Shading Sketching Video Tutorial
/ By Matt Philleo

Discover the secrets to painting realistic short silver hair using the acrylic glazing technique for depth, vibrance, and seamless blending.

Painting realistic short silver hair in acrylic can seem challenging, but with the right techniques, it becomes manageable and rewarding. In this tutorial, I will guide you step-by-step on how to apply the acrylic glazing technique to capture the softness, shine, and texture of silver hair. Whether you’re a beginner or an experienced artist, mastering this technique will help you create stunning portraits with depth and vibrance. We will focus on blending shades, adding highlights, and building subtle nuances for a natural-looking effect.

Understanding Acrylic Glazing for Hair

Acrylic glazing is an essential technique for adding layers of semi-transparent color over your base. By layering different shades, you can achieve depth and a lifelike sheen, perfect for capturing the essence of silver hair. Instead of trying to nail every detail in one go, glazing allows you to build the portrait gradually, adding complexity with each new layer.

Tips for Acrylic Glazing:

Use a mix of acrylic matte medium with your paint to create a smooth, translucent layer.
Work with a soft, fine brush to ensure smooth transitions between shades.
Build layers slowly, allowing each one to dry before adding the next for better control over color depth.

Choosing Your Color Palette

When painting short silver hair, selecting the right color palette is essential. Although silver is often seen as a neutral tone, it actually contains a mixture of hues such as cool blues, grays, and even some warmer tones to reflect light.

For this tutorial, the palette includes:

Titanium White: For bright highlights and reflective areas.
Burnt Umber: To add warmth and contrast in the shadows.
Raw Umber: For mid-tones and foundational shading.
Ultramarine Blue: Helps cool down areas and enhance the silver effect.
Alizarine Crimson: Adds subtle warmth and depth.

Tip: Always test your color combinations on a palette before applying them to the canvas. Mix small amounts to see how they interact under different lighting conditions.

Step-by-Step Guide to Painting Short Silver Hair

1. Start with the Underpainting

Before you apply any details, establish a base using a neutral underpainting. This is where you define the overall shapes and contours of the hair. For silver hair, use a mix of raw umber and titanium white to sketch out the general flow and placement of the hair strands. Remember to think of hair not as individual strands but as groups of shapes and shadows.

Technique Tip: Use a soft filbert brush to apply the underpainting in smooth, broad strokes. This will help create a soft foundation for the subsequent layers.

2. Building Mid-Tones with Glazing

Once the underpainting is dry, begin adding mid-tones using the acrylic glazing technique. Mix ultramarine blue and burnt umber with a small amount of matte medium to create a semi-transparent glaze. This mixture will give your hair a cool, metallic feel. Apply the glaze over the darker areas, building the transition from shadow to light.

Technique Tip: Apply the glaze in thin layers, allowing each coat to dry before adding another. This will help create depth and prevent the colors from becoming too muddy or opaque.

3. Adding Highlights

Silver hair catches light in unique ways, often appearing more reflective than other hair colors. To capture this, mix titanium white with a tiny bit of raw umber and alizarine crimson. Use this mixture to gently highlight the areas where the light naturally hits the hair, such as the crown of the head and the edges of the strands.

Tip: Use a small round brush for highlights to add fine, delicate lines. Blend the edges of the highlights into the mid-tones to avoid harsh transitions.

4. Deepening the Shadows

Shadows in silver hair help give it volume and shape. For this, mix a slightly darker glaze with more burnt umber and ultramarine blue. Focus on the areas where the hair overlaps or falls into deeper recesses, such as around the ears or where the hair gathers near the scalp.

Technique Tip: When applying shadows, think of the hair in terms of mass rather than individual strands. Keep the shapes soft and avoid over-defining every strand to maintain a natural look.

5. Refining the Details

As you continue building up the layers of glazes, the hair will start to take on a more realistic appearance. At this stage, focus on refining small details, such as the subtle shifts in tone and light across the hair. Add final touches by applying thin, semi-transparent layers of titanium white mixed with matte medium for the brightest highlights.

Tip: Don’t overwork the painting. Let some of the earlier layers show through to enhance the depth and complexity of the hair.

Common Mistakes to Avoid

Overloading the Brush: Avoid applying too much paint at once. This can make your glaze too thick and result in harsh lines instead of smooth transitions.
Skipping the Drying Time: Acrylic paint dries fast, but it’s important to let each layer fully dry before applying the next. Rushing this process can lead to muddy colors and a lack of definition.
Neglecting the Highlights: For silver hair, highlights are crucial. Make sure to spend enough time building up the light areas to capture the reflective quality of the hair.

Final Thoughts

Painting short silver hair in acrylic requires patience and a careful approach, but the results are worth the effort. By using the glazing technique, you can achieve depth, softness, and shine that will make the hair in your portrait come to life. Whether you’re painting a portrait of a loved one or a professional commission, these techniques will help you capture the unique beauty of silver hair with confidence.

Remember, as with all acrylic painting techniques, practice makes perfect. So, don’t be afraid to experiment with different glazes, brushes, and colors to find what works best for you.

Conclusion

When mastering the art of painting short silver hair is a valuable skill for any portrait artist. With then the right use of acrylic glazing, attention to color blending, and proper brush techniques, you can create stunning, realistic results. By following these steps and tips, you will develop the confidence to tackle even the most challenging portrait hair details.

Keep practicing, and soon, painting silver hair will become second nature!