How to actually get usable watercolor paintings out fast
Most people who want quick watercolor results are wasting time on setup instead of technique. They buy expensive paper, lay out twenty pigments, and stare at a blank sheet. The problem isn't skill. It's process. I spent years trying to paint properly before I started painting fast, and honestly the fast method taught me more about the medium than the careful method ever did. The approach I use starts with a two-color palette. Cerulean blue and burnt sienna. That's it. You can add one accent color if the subject demands it, but the two primaries mix into every brown, green, and gray you'll need. I keep a third container on the palette reserved for dilution only — no pigment. Two brushes: a 1-inch flat and a size 6 round. One pad of 140lb cold-press paper, mounted wet and left to stretch. Everything else is noise. Here's the workflow. Wet the paper evenly with clean water. Load your brush with diluted pigment and lay in the largest shapes first — sky, background mass, shadow areas. Don't draw. Don't sketch outlines. The water on the paper does the hard work for you. When shapes need to define themselves, tip the paper and let gravity move the pigment. That's how you get edges that don't look painted.
The first time I tried this I was frustrated because my edges looked muddy and everything bled into each other. What I was doing wrong was keeping the paper too wet. Once I waited thirty seconds for the sheen to disappear before adding the next layer, the control came back. It's that simple and that obvious and most tutorials don't tell you. For subjects, start with landscapes. A horizon line, a tree mass, a body of water. The format is forgiving because natural forms blend into each other anyway. Portraits in this method are brutally honest and usually ugly until you understand how light maps onto form, which takes longer than you want it to. Stick to flat planes and simple geometry until you have a year or two under your belt. Common failure points: Using too much paint on the brush creates hard ring edges when the water dries. Tap the brush on a paper towel first. Working on paper that isn't properly stretched causes buckling, which warps your washes and makes controlled gradients impossible. Soak your paper for ten minutes before taping it down and let it dry completely before painting. Mixing complements directly on the palette rather than on the paper produces dull grays. Let them mix on the surface.
I once spent three hours on a sunset study that looked like orange slime. The issue was that I layered transparent cadmium red over opaque ultramarine before the first layer dried. The topcoat lifted and granulated unpredictably. The fix was switching to a single-wash approach — one pass, one pigment, and letting it dry completely before adding anything else. It took twenty minutes instead of three hours and looked better too. If you want reference material, stop searching for finished paintings and start looking at photographs of simple scenes. A parking lot in rain, a wall with shadow patterns, a pile of stones. The less interesting the subject, the better. Complex subjects hide your technique mistakes. Simple subjects expose them. That's the point. This method doesn't work for detailed botanical illustration or photorealistic work. The granulation and hard-edge control required for those styles demand a completely different approach with dedicated pigments and paper surfaces. If you need precision, use colored pencil over a light wash or switch to gouache. Watercolor is a speed medium. The sooner you accept that, the faster you'll get anywhere with it.
Get the Full Details

Keep your studies small. 9x12 inches max. Large formats invite overworking. Paint five quick studies in a session and throw three away. The remaining two will teach you more than a single carefully preserved piece ever will. That's just how the medium works.