Watercolour has a reputation for being the most unforgiving painting medium — and that reputation is not entirely undeserved. Unlike oil or acrylic paint, you cannot simply paint over a mistake; what is on the paper largely stays on the paper. But this challenge is also watercolour’s greatest gift: it forces you to plan, to work with the paint rather than against it, and to find beauty in accidents that would not exist in any other medium. The luminous quality of watercolour — the way light passes through the transparent washes to reflect off the white paper beneath — is something no other medium quite replicates.
The good news for beginners is that the fundamental techniques of watercolour are genuinely learnable in a single afternoon of practice. This guide covers the six core techniques that underpin nearly all watercolour painting, along with practical exercises to build your confidence with each one. By the end, you will have a solid technical foundation from which to develop your own style.
What You Will Need
- Watercolour paints — student-grade paints (Cotman by Winsor and Newton, or Van Gogh) are excellent for beginners. A set of 12 colours is sufficient to mix almost any hue. Avoid very cheap, unbranded sets — the pigment loading is often poor and colours appear washed out.
- Watercolour paper — this is the most important material investment. Cold-press (NOT hot-press) 300 gsm / 140 lb paper is the standard beginner choice. It has a slight texture (tooth) that holds washes beautifully without buckling at moderate wetness. Never use regular printer paper or thin sketch paper — watercolour will buckle and distort it immediately.
- Brushes — you need three: a large round (size 12 or larger) for washes, a medium round (size 6–8) for general work, and a small round (size 2–4) for detail. Synthetic or synthetic-blend brushes are an excellent choice for beginners — less expensive than natural hair and perfectly functional.
- Two water containers — one for rinsing brushes, one for clean water to mix paint. Keeping them separate prevents muddying your colours.
- A palette — a ceramic mixing palette or even a white plate works perfectly.
- Masking tape — to tape your paper to a board before painting, which prevents buckling.
Technique 1 — Flat Wash
A flat wash is an even, uniform layer of colour applied across a section of paper. Mix more paint than you think you need on your palette before you begin — running out of wash mid-application is a common beginner frustration that creates hard lines and uneven colour. Load your large round brush generously and apply a horizontal stroke across the top of the area. Without lifting the brush, drag it down slightly so the next stroke slightly overlaps the wet edge of the first, picking up the bead of pooled paint at the bottom. Continue this process (often called “chasing the bead”) across the entire area. Tilt the board at a slight angle — approximately 15 degrees — so gravity helps the bead form consistently. Allow to dry completely before adding another layer.
Technique 2 — Wet-on-Wet
Wet-on-wet is the technique most associated with the dreamy, soft-edged quality unique to watercolour. Apply clean water across your paper (or across a section of it) until it is uniformly wet and shiny but not pooling. Load your brush with a strong, concentrated wash of colour and touch it gently to the wet paper — the paint will immediately bloom outward in organic, unpredictable shapes. Add a second colour while the first is still wet and watch the two bloom into each other, creating gradients and blooms that are impossible to replicate with any other method. The key variable is timing: the wetter the paper, the more the paint spreads; as the paper dries toward a matte surface, the paint starts to hold its position. Learning to feel when the paper is at the right wetness for each effect is the core skill of wet-on-wet, and it only comes through practice.
Technique 3 — Wet-on-Dry (Glazing)
Wet-on-dry is the opposite of wet-on-wet: you apply wet paint to dry paper, or a wet layer over a completely dry previous wash. This produces crisp, hard edges and is used for architectural subjects, botanical illustration, precise details, and anywhere that clean edges are desired. Glazing — applying thin, transparent layers one over a fully dry previous layer — is how watercolourists build depth and luminosity. Each glaze modifies the colour beneath: a yellow glaze over a dry blue wash creates green; a red glaze over orange deepens to amber. Always allow each layer to dry completely before the next. Patience with drying is one of the most important watercolour disciplines.
Technique 4 — Dry Brush
Load your brush with a fairly dry, concentrated mix of paint (not much water), then stroke it quickly across textured watercolour paper. The paint catches on the raised texture of the paper surface but misses the recesses, creating a broken, sparkling line that is ideal for representing grass, tree bark, water surface shimmer, rough stone, and weathered wood. Dry brush is almost always used as a final-stage detail technique layered over wet washes that have fully dried.
Technique 5 — Lifting and Negative Painting
Watercolour is largely irreversible, but while the paint is still wet it can be lifted to create lights. Squeeze a brush dry and touch it to a wet wash — the dry brush will absorb and lift a small amount of paint. A crumpled piece of kitchen paper pressed gently onto a wet wash lifts a larger, organic light shape. A dry cotton bud lifts precise dots and small shapes. These lifted areas can represent highlights, clouds, mist, or simply breaks in an otherwise solid wash. Negative painting — painting the spaces around a light shape rather than the shape itself — is how watercolourists maintain the white of the paper as the brightest light in a composition.
Technique 6 — Colour Mixing and Granulation
Resist the temptation to buy every colour separately. Learning to mix colours from a limited palette builds far more understanding of colour relationships than having pre-mixed convenience colours for everything. A primary palette of red, yellow, blue (and their warm and cool variants) can mix virtually any colour you need. Some pigments are naturally granulating — they separate into tiny particles on the paper surface, creating a beautiful mottled texture. Granulating pigments include many earth colours (raw umber, burnt sienna), cobalt blue, and manganese blue. Understanding which paints in your set granulate gives you additional control over texture.
Keeping a Practice Journal
The fastest way to improve at watercolour is to paint something — anything — every day, even if only for 15 minutes. Keep a dedicated practice journal (a watercolour sketchbook) and fill it with colour charts, technique exercises, value studies, and small observational sketches. Review your journal regularly; visible progress over weeks and months is one of the most powerful motivators in any creative practice.
For more skill-building craft techniques, explore our Craft Techniques tutorials including block printing, paper crafts, and mixed media. Complement your watercolour practice with paper-based projects in our Paper Crafts section, and browse all our tutorials across the BDcrafty blog.
