Tips & Tricks

Expert Tips for Oil Painting

Oil painting is a rewarding medium that has captivated artists for centuries. Whether you’re a beginner picking up a brush for the first time or an experienced painter looking to refine your techniques, mastering oil painting requires practice, patience, and knowledge. This guide offers practical tips and tricks to help you improve your skills, work more efficiently, and create stunning artwork without breaking the bank.

Getting Better Faster

Practice the Underpainting Technique

Start every painting with a monochromatic underpainting using a neutral color like burnt umber or ultramarine blue mixed with white. This foundational layer helps you establish values, proportions, and composition before adding color. The underpainting acts as a roadmap, significantly reducing mistakes and helping you work more confidently through subsequent layers.

Study Color Theory and Mixing

Invest time in understanding how colors interact. Learn the color wheel, complementary colors, and how to mix secondary and tertiary hues. Practice mixing on your palette until you can intuitively create the exact shade you need. Strong color mixing skills will dramatically improve your ability to capture light, shadow, and atmospheric effects in your paintings.

Work from Dark to Light

Build your painting systematically by establishing dark values first, then gradually introducing mid-tones and highlights. This approach, following the principle of “fat over lean,” creates natural depth and makes it easier to judge values throughout your work. It also prevents you from painting yourself into a corner where you have nowhere to go with your lights.

Study Real-Life References Constantly

Don’t rely solely on imagination or low-quality photos. Spend time observing how light falls on objects, how shadows behave, and how colors shift at different distances. Keep a sketchbook handy and do quick studies of interesting subjects. This constant observation translates directly into more convincing and dynamic paintings.

Limit Your Palette Intentionally

Restricting yourself to just 4-6 core colors forces you to become a master mixer and creates cohesive color harmony in your work. Try working with limited palettes like the “primary triad” (one red, yellow, and blue) or create monochromatic studies. This constraint builds stronger foundational skills than having dozens of colors available.

Time-Saving Shortcuts

Use Fast-Drying Mediums

Incorporate fast-drying mediums like Alkyd into your workflow to speed up drying times. Alkyds dry in 24 hours or less compared to traditional oils that can take weeks, allowing you to apply multiple layers quickly. You can use Alkyd for underpainting and early layers, then finish with traditional oils for the final glazes.

Prepare Your Canvas in Advance

Pre-prime and sketch out your composition on multiple canvases during dedicated prep sessions. This batching approach means you’re always ready to start painting without setup delays. Keep a stock of pre-stretched, primed canvases with light sketches ready to go whenever inspiration strikes.

Keep a Clean Brush Kit Nearby

Rather than constantly cleaning brushes between applications, keep a large palette of clean brushes organized by size and shape. This lets you switch colors rapidly without interruption. Dedicate a deep container with solvent specifically for brush cleaning, allowing you to clean them all at once when you finish painting for the day.

Use Larger Brushes Than You Think You Need

Big brushes cover area quickly and naturally force you to work more boldly with bigger shapes. They prevent fussy, overworked details early in the painting when you should be focusing on composition and value. Save small detail brushes for the final stages of your work.

Money-Saving Tips

Buy Student-Grade Paints to Build Your Stock

Student-grade oils contain less pigment and more filler than professional grades, but they’re perfectly adequate for practice, underpainting, and developing your skills. Professional paints are wonderful for finished pieces, but there’s no reason to waste expensive pigments while learning. Invest in professional quality once your skills justify it.

Make Your Own Medium

Create a basic medium by mixing linseed oil with a small amount of solvent. This costs a fraction of pre-made mediums and works beautifully for adjusting paint consistency. Experiment with different ratios to find what works best for your style—thinner for glazing, thicker for impasto work.

Stretch Your Canvas Budget

Buy canvas by the roll and cut it to your preferred sizes, then stretch and prime it yourself. Pre-made stretched canvases carry significant markup. You’ll save substantially by doing this work yourself, plus you gain complete control over your surface preparation and sizing.

Preserve Wet Palettes Between Sessions

Instead of scraping off wet paint daily, transfer your entire palette to the freezer in an airtight container. Frozen paint stays usable for days or weeks. This dramatically reduces paint waste and lets you maintain consistent colors across multiple painting sessions without remixing.

Quality Improvement

Master Glazing Techniques

Glazing—applying thin, transparent layers of color over dried layers—creates luminosity and depth impossible to achieve with opaque paint alone. Mix paint with glazing medium to achieve proper transparency, then apply thin layers and let each dry before adding the next. This technique elevates paintings from good to exceptional.

Pay Attention to Edges

Varying your edges—soft, hard, and lost edges—creates visual interest and guides the viewer’s eye. Hard edges draw attention and should frame your center of interest. Soft or lost edges recede and appear less important. This simple technique dramatically improves composition and visual impact.

Develop a Strong Value Structure

Before adding color, ensure your painting has compelling light and shadow patterns. Squint at your work or convert a photo to grayscale to check your values. Strong value structure carries paintings even when colors are muted or unconventional.

Layer Brushwork Directions

Vary your brushstroke directions and patterns throughout the painting. Horizontal strokes convey calm, vertical strokes create stability, and diagonal strokes suggest movement and energy. Layering different directional strokes adds visual texture and prevents a stiff, uniform appearance.

Troubleshooting Common Problems

Muddy Colors: Avoid mixing more than three colors together. Use complementary colors sparingly to dull hues rather than mixing grays. Keep colors clean by using separate brushes for different color families and maintaining a clean palette.
Paint Won’t Dry: Ensure proper ventilation and avoid painting in cold, humid conditions. Check that you’re using genuine linseed oil, not imposter oils. If layers are too thick, try using fast-drying mediums or Alkyd paints for underpainting.
Brushstrokes Visible and Rough: Use softer brushes, apply thinner paint layers, or use glazing mediums to smooth out texture. For smoother finishes, slightly soften dried areas with fine sandpaper between layers.
Colors Look Dull or Lifeless: Introduce more vibrant pure colors, especially in shadow areas. Shadows aren’t just dark gray—they contain complementary hues. Add highlights with bright whites and pure light-struck colors to increase luminosity.
Paint Cracks or Peels: Follow the “fat over lean” rule—each layer should have slightly more oil than the previous one. Never paint thin over thick. Prime your canvas properly and use quality paints containing adequate binder.