Acrylics can withstand more than gouache. Acrylic paint will not chip off once it is dry unless you applied it to an unstable surface and it is unsealed. Applying both types of paint are the same, you can apply them with a brush or palette knife and work them and blend them the same way. Where gouache wins compared to acrylics is that it dries a bit slower than acrylic, making it easier to work with. Again, gouache can be reactivated even after it dry allowing you to modify a painting or rework it without seeming like a new layer.
I also found gouache more opaque than acrylic which means i need to apply less layers than acrylic. We know that many professional artists use acrylic paints for various purposes but do they use gouache? Gouache is an excellent choice for professional artists since it has a lot of flexibility. It can replicate the look and feel of acrylic, watercolor, and even oil paints! The main application outside of fine art is in illustrations and cartooning when alcohol markers are not being used.
Gouache and acrylic paints can be used together if a clear gesso is applied to the surface. A little fun fact is if you do mix gouache paint with acrylic paint you end up making gouache waterproof! It takes on some of the properties of acrylic paint. Gouache is very forgiving because it has a nice matte finish. Gouache dries much quicker than oil paints which means that it allows artists to complete their works much faster while also applying layers without mixing the colors.
Gouache is also mostly non toxic so it is safe for most artists even young artists. Even acrylics are mostly non toxic so the score is even. Gouache is quite expensive because of its properties.
It uses natural pigments and has a higher concentration of pigment than acrylics. They also use larger paint pigments which add to the manufacturing process as more mulling time is needed this is the process of grinding the pigment into a fine powder that is the mixed with a binder. Artists tend to use it in their masterpieces or when they want something to look more professional or final.
They are also not as popular as acrylic paints and this means that the locations where they are made are also less likely be in third world countries. Concentration: They also use larger paint pigments which add to the manufacturing process as more mulling time is needed this is the process of grinding the pigment into a fine powder that is mixed with binder.
They are also not as well known and sound more exotic to non-artists. If you tell a buyer that your artwork is made of gouache instead of acrylic paint, you could possibly charge more.
Sadly, the use of acrylics in schools and in craft has cheapened the perception of acrylic paints. The end result of a gouache painted piece is a radiant bright piece of artwork with a matte finish. In comparison to acrylics, gouache paint dries quickly but can be reworked on its surface long after the artwork is completed. An acrylic painted piece can be placed directly into a frame while a gouache painted piece needs to either have glass placed over it before framing or be varnished upon completion.
Watercolor paint and gouache paint are almost like cousins. It is available in small portions and is typically mixed with water prior to painting.
Another difference between watercolor and gouache paint is that solid white pigment is added to the ingredients to make gouache paint by using either chalk or acrylic paint.
Although gouache paint is not all that predominately used, many artists have great things to say when working with the paint. In this thread on wetcanvas. Walk into your local dollar store and you can pick up a pallet for 99 cents! Which is something really cool to think about considering watercolors have been used for centuries upon centuries think, Egyptian times and now you will see whole preschool classes creating their own little masterpieces with watercolor paint. Watercolor paint is inexpensive but can produce a beautiful end result.
It dries quickly, is almost translucent, and produces a matte finish. Artists can layer watercolor paint due to its translucence in order to create a brighter image. Nevertheless, watercolor paints do require a special type of paper due to the fact that its base is water so the non-absorbency of the paper is important. Watercolors can easily bleed through something like printer paper because it is extremely absorbent. A silly but perfect example is allowing a child to use water colors on their coloring book pages.
The instant the brush touches the page the color will spider web out and barely any color will show on the page. An extra thick layer of acrylic may be dry to the touch on the surface, but is still wet on the inside. You might reactivate it if you scrub over it too vigorously with a brush. This can be an advantage if you want to work back into a dry layer to soften edges or blend it further. You can also lift gouache like you can with watercolors.
Lifting is when you scrub a layer of paint with a wet brush to lighten it. I use lifting to lighten areas or to fix subtle mistakes. While you can definitely work in multiple layers with gouache, you have to be careful not to reactivate the colors in the previous layers. It helps to make sure the previous layer is totally dry before you paint over it. I sometimes use a hairdryer to dry the existing layers. Another tip is to try to overpaint existing layers with as little fussing as possible.
In other words, try to put the stroke down and leave it. The water solubility of gouache also means you should frame your gouache paintings to protect them. I discuss this further in the section on framing. Gouache is typically used on watercolor paper and illustration boards.
There are many great watercolor papers to choose from. The cold press texture is probably the most popular, but if you prefer smooth paper they also have a hot press version. Acrylics are much more versatile than gouache when it comes to the substrates that you can use them on. With a properly prepared surface, you can use acrylics on paper, canvas, metal, glass, and exterior walls.
Materials such as wood may require sand and an application of primer to achieve maximum adhesion and durability. There are acrylic fabric mediums available which will improve how the paint performs on fabrics.
Golden fabric medium is another option. Thicker layers of gouache have a tendency to crack, especially on flexible supports like thin paper. I have old gouache paintings on paper and there are no cracks in them at all. It helps to use a thicker paper for gouache paintings, such as lb watercolor paper.
Illustration boards are even thicker and more rigid. I believe the paint shrinks as it dries and it cracks because the gum arabic is somewhat brittle. Acrylic, on the other hand, is very flexible. In my YouTube video above about how to make acrylic thicker, I test the flexibility of acrylic paint by folding the leftover dry acrylic paint in half. Any small droplets of water that land on the surface of the gouache painting can disrupt the paint and leave a mark.
Since acrylic paint is water resistant, you can display them with or without a frame. Generally speaking, most paintings on paper require framing so you can display them on a wall. A good picture frame can also improve the presentation of your artwork. I give away plenty of framing tips in my video about how to frame canvas panels. Gouache paint dries to a velvety matte finish that produces virtually no glare.
The lack of glare makes it easier to photograph. This is helpful for Illustrators who work under tight deadlines. There are some that say they use varnish over gouache, but others have ended up with disappointing results. Traditional gouache paintings have a matte surface, if you want your paintings to have a high gloss finish you may want to consider painting in oils or acrylics.
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