Marcus Chen
Painting semi-realistic portraits of people in a mural can be challenging, but there are several techniques that can help you achieve a realistic look. Firstly, it is important to choose the right colours and pay attention to detail, especially when it comes to the eyes and skin tones. Using a reference image with strong lighting and shadows can help guide your painting process. Additionally, consider using a grid system to scale your artwork onto the wall, and don't be afraid to use tools like a projector to help you upscale your design. To create a sense of depth and make your mural more realistic, pay attention to lighting and shading, imagining a light source and its impact on the subject. Finally, don't be afraid to layer your paint and use different brush sizes to create texture and detail in your work.
| Characteristics | Values |
|---|---|
| Scale | Use a grid to scale your artwork onto a flat wall |
| Use a projector to upscale artwork onto the wall | |
| Know the length and height of the wall and divide it evenly to form a grid | |
| Tools | Use Nova Color mural paint for indoor and outdoor murals |
| Use spray guns for clouds and brushes for everything else | |
| Tape several brushes together to paint multiple trees with one stroke | |
| Use a 4” bristle brush for long grass in the foreground | |
| Use a smaller bristle brush to create texture on rocks or tree bark | |
| Use an airless paint sprayer and roller to prime the canvas | |
| Techniques | Use layering and texture to achieve a more realistic look |
| Use shading to make the outcome appear semi-realistic | |
| Imagine a light source in your drawing and consider where the light would hit and cast shadows | |
| Use a reference image to make your paintings more realistic | |
| Pay close attention to detail in the eyes | |
| Choose the right palette for portrait painting |
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What You'll Learn
Use a projector to upscale your artwork onto the wall
Using a projector is a handy way to upscale your artwork onto a wall. There are a few different types of projectors you can use to do this, each with its own advantages and disadvantages.
Opaque projectors work by shining a bright light onto an opaque object, like a printed photo or sketch, and using mirrors, prisms, and a lens to focus an enlarged reflection of the image onto a surface. You will need a small printed copy of your image, between 5 and 7 square inches, which you place into the projector's opening. The advantage of this type of projector is that you can enlarge your own sketches without having to scan them. However, they are not digital, so they may be less convenient if you want to reproduce digital images.
Overhead projectors also require transparencies of your reference photos, which you can print yourself using compatible printable transparencies. These projectors produce crisp and clear images, but they can be expensive, costing a few hundred dollars.
Digital projectors, also known as home theater projectors, are a versatile option that can reproduce digital images and digitized sketches at any scale. They are also a popular choice for tracing. Wireless projectors with rechargeable batteries are the most convenient type of digital projector as you don't need to be near an outlet to use them. However, they can be costly, especially if you require very accurate color replication or high brightness.
Once you have chosen your projector, you will need to set it up. Determine whether you need a vertical or horizontal projection based on the surface you are projecting onto. For a vertical projection onto a wall or easel-mounted canvas, mount your projector to a tripod or set it on a horizontal surface. For a horizontal projection onto a floor or tabletop, mount your projector to an overhead tripod. If you are using an opaque projector, place it on a table and point it towards your drawing surface.
Finally, secure your drawing surface to ensure it doesn't move while you are tracing. If you are using a canvas, hang it securely on the wall or place it on an easel, ensuring it is perfectly vertical to avoid a distorted projection.
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Pay close attention to the detail in the eyes
When painting semi-realistic people in a mural, one of the most important features to focus on is the eyes. The eyes are often what draws viewers into a piece of artwork and keeps them interested in the painting. Thus, it is crucial to pay close attention to the detail in the eyes to ensure they appear realistic.
Firstly, it is important to understand the anatomy of the eye and the different shapes it can take. Eyes are not perfectly almond-shaped as many artists assume, and they can vary from person to person. The shape of the eye can also be affected by the angle of the person's head and the facial makeup around the eye. For instance, if the person is looking up, the top of their iris may be hidden, and the pupil may appear shaped like an upside-down "L". Additionally, the eyelids and eyelashes play a crucial role in the overall shape of the eye. The eyelids create a shadow over the top part of the iris, and the eyelashes are usually thicker on the outside corners of the eye, with the bottom eyelashes being thinner and less visible.
When painting the eyes, it is essential to capture the subtle variations in shading and highlights. The whites of the eyes are not typically pure white but can have hints of blue, pink, brown, or a combination of colours depending on the person and lighting conditions. Similarly, the iris, though round, may not appear perfectly round due to shadows and highlights. To create depth and realism, use a round or shader brush to add tiny lines of varying lengths and starting points around the iris, and repeat this process with a detail brush and black paint for added contrast around the pupil.
Another important aspect of painting realistic eyes is to properly layer the different elements. Start by drawing the eye socket and the upper portion of the eyeball, including the tear duct and eye fold. Then, add in the base colour of the iris, creating shadows and highlights, and finally, paint the more detailed parts of the skin around the eye, such as the eyelashes and eyelids. It is also helpful to use reference photos to guide your painting and ensure accuracy in capturing the unique characteristics of the eye.
By following these techniques and paying close attention to the details of the eyes, you can create captivating and realistic portraits in your mural artwork.
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Use shading to make the painting appear more realistic
Shading is an important aspect of creating semi-realistic portraits and can be achieved through various techniques. One common method is to use a technique called circulism, which involves creating a value gradient by building up layers of colour. This can be done with a brush or even your finger, gently smudging the paint to create a smooth transition between light and dark areas. It is important to understand how light works when shading; imagine a light source and consider where the light and shadows would fall on the face, such as the hair, nose, and eyes. Use darker shades in areas where shadows would be cast and lighter shades where the light would hit directly.
Another technique is to use a projector or a pounce wheel to create an outline of your subject on the wall before painting. This ensures that your proportions are accurate, especially when working on a large scale. Additionally, when working on a mural, you can use tools like spray guns and different-sized brushes to create realistic effects, such as using a smaller brush to create texture on rocks or tree bark.
To make your painting appear more three-dimensional, blend the edges of each shade using a blending tool. This will create a smooth transition between light and dark areas, giving your painting depth and a realistic appearance. It is also important to step back from your work and look at it from a distance, as this will help you see if your shading is creating the desired effect.
Don't be afraid to make the darkest areas of your painting quite dark. Having enough contrast between light and dark will make your painting pop and give it a more three-dimensional appearance. You can also use an eraser to lift some of the shades in areas that would be highlighted, such as the centre of the brow.
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Choose the right palette for painting skin
Skin tones can be challenging to paint, especially when it comes to finding the right shades for your chosen skin colour. A limited palette can be beneficial when painting portraits, and you can create a wide range of colours with just a few colours. For instance, the Zorn palette consists of just four colours: Yellow Ochre, Crimson, Black, and Titanium White. By varying the type of black and red used, you can create numerous colours and shades.
When setting up your palette, you can choose from various pigments, including Cadmium Yellow, Lemon Yellow, Chrome Yellow, and Indian Yellow. Skin is typically less saturated than expected, so muted tones like Terre Verte and Raw Umber can help to tone down any orange hues in the skin. You may need to adjust your palette depending on the individual's undertones. For warmer, olive complexions, use more Yellow Ochre and Terre Verte, while for cool-toned complexions, opt for more Alizarin Crimson and Cadmium Yellow. For dark skin, adding a touch of light blue to the highlights can create a beautiful cool glow.
To paint semi-realistic skin, it's helpful to start with a sketch, which can be loose and rough, allowing you to add details as you paint. Once satisfied with the sketch, save it and set the layer to multiply, lowering the opacity. For the base skin tone, choose a mid-tone tan colour and create a new layer clipped to the base skin tone layer to prevent colouring outside the shape. Set this new layer to multiply as well.
When painting in the shadows, use a brush that allows you to achieve both hard and soft edges, depending on the pen pressure. Start with the darker shadows, pressing harder in areas like eye sockets, under the nose, and the bottom lip, then lighten your touch for softer shadows. After establishing the shadows, move on to the highlights, selecting a lighter shade and varying the pressure to capture the prominent highlights. Create a new layer between the base shadows and highlights layers and set it to multiply. Use the base skin tone colour to add more shadows to areas like the shoulder blades, eyelids, nose bridge, cheekbones, forehead, and tip of the nose.
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Use a grid to scale your artwork onto a wall
Scaling your artwork onto a wall using a grid is an inexpensive, low-tech method to reproduce and/or enlarge an image that you want to paint or draw. This method can be time-intensive, depending on the size and detail of your artwork. While it is not as quick as using a projector or transfer paper, it can help improve your drawing and observational skills.
To start, you need to know the size of the wall you are designing the mural for. For example, if the wall is 5 metres wide by 3 metres high, you can start with a grid that is half a metre (50 cm), so your grid will be 10 squares wide by 6 squares high. Then, measure your drawing paper to determine the proportional scale of the grid. This is the trickiest part if maths is not your strong suit. You can take the height of your drawing paper and divide it by the number of grid squares you want to have, which will give you the maximum grid height. Do the same for the width.
It is recommended to stick with equal-sided squares as they are easier to work with. When scaling with uneven shapes like rectangles, a tiny error in rounding a number in your grid can lead to proportions being off. Once you have your grid, you can use this smaller grid to create your designs, and then transfer the design to the wall.
You can also use coloured masking tape as an alternative to drawing your grid with pencil or charcoal. Simply remove the tape once you have your lines marked out.
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Frequently asked questions
First, you'll need to decide whether to paint directly onto a wall or to paint on a canvas that can be installed. If you're painting on a wall, you'll need to measure the length and height of the wall and divide it evenly to form a grid. You can then sketch your artwork within the grid boxes and reproduce it on the wall. If you're painting on a canvas, you'll need to construct a frame and staple the canvas to it, pulling it taut. You can then prime your canvas with ordinary house paint, using an airless paint sprayer and a roller.
It's important to pay close attention to detail, especially when it comes to the eyes. The whites of the eyes are rarely pure white, so adding detail to the sclera can make them more realistic. You should also consider lighting and shading to create a three-dimensional effect. Imagine a light source in your drawing and think about where the light would hit and cast shadows.
Choosing the right palette for portrait painting can be difficult, even for experienced artists. It's easy to create colours that look somewhat like flesh while still not appearing realistic. You can use Steven Rosati's portrait painting palette system as a guide and mix colours as needed to create different flesh tones.
