How to Hide Lines in Paint by Numbers for a Professional Finish

One of the most common problems with paint by numbers is that numbers and lines still can be seen after coloring, especially in bright color sections like white, yellow, or beige. This probably makes your picture look unfinished, though you have followed the instructions. 

The good news is that it’s possible to solve this problem with simple techniques. In this article, you will learn how to cover numbers and lines effectively, and improve the picture’s overall quality as well, especially when using kits from Wander Painting.

I. Why do numbers and lines still show?

Before finding the solution, you need to understand the reasons: 

  • Bright colors often have low opacity
  • The first paint layer is not often thick enough
  • The paint color is diluted too much
  • There is not enough light, so you miss some details

This is very common, especially with detailed designs in collections like Flowers Collection or Nature & Landscape Collection in Wander Painting.

II. Prepare properly to cover better

You don’t need to prepare too much. It’s necessary to focus on factors that truly affect the coverage:

1. Use the white paint color pen

This is a secret weapon that helps cover numbers fastest, especially in bright sections.  

  • Suitable for white, yellow, and pastel colors
  • Help to cover numbers before coloring
  • Save time compared to multiple-layer coloring 
  • You can apply this technique while painting designs like Peach Ranunculus in the Flowers Collection where numbers easily show through in bright color sections. 

2. Examine the consistency of paint color

  • If the paint color is too diluted, it’s hard to cover numbers 
  • If the paint color is a bit viscous, the coverage is better 

If you find the paint color too diluted, please don’t add more water. 

3. Use small paintbrushes

Small paintbrushes in paint by numbers custom help you:

  • Color each area exactly
  • Increase coverage in number-labeled areas
  • Avoid bleeding colors

This is very effective with detailed designs like Zion National Park Vintage in Wander Painting.

4. Work in good lighting

Light from the side will help you:

  • See the numbers and outlines clearly
  • Detect errors early
  • Correct immediately when needed

III. The technique helps the picture look cleaner

In custom paint by numbers for adults, to achieve the best result, please focus on the advice: 

1. Prioritize bright sections

Because bright sections are more likely to show numbers, you should work on them first. 

2. Color consistently 

  • Avoid leaving stains
  • Color in a certain direction

3. Color step by step

  • Don’t try to complete the picture at the first time
  • Be patient to color each layer

4. Choose a right design

Some designs from Wander Painting are improved regarding colors and coverage, for example:

These designs often have well-proportioned palettes, helping to reduce the showing of numbers. 

IV. How many layers of color are enough?

An important rule: Many thin layers are better than one thick layer. 

  • 2 layers: enough for most of colors cho đa số màu
  • 3 layers: essential for bright colors
  • Shouldn’t color too thick from the beginning

Tip: Only color sections where you see numbers. Don’t need to color the whole picture. 

V. Is it normal to still see the numbers after the first coat? 

The answer is: absolutely normal.

Especially with bright colors in designs like:

These colors often require multiple layers to completely cover the numbers.

VI. How to effectively use a white pen to cover numbers

For paint by the numbers custom, this is the quickest and most professional method:

  • Lightly color over the numbers with a white acrylic pen
  • Wait for it to dry completely
  • Color as usual

Result:

  • The numbers are no longer visible
  • The colors are more even
  • The painting looks cleaner and more professional

If you don't have an acrylic pen, you can use a gel pen, but the effect will be less effective.

VII. Common mistakes

  • Dilute the paint color with too much water 
  • Color a too-thick layer at first 
  • Not wait for the layer to dry 
  • Use too big paintbrushes
  • Not check in good lighting

Only by avoiding these mistakes, your pictures’ quality improves significantly. 

It’s normal that numbers and lines show through in a paint masterpiece by number, even for experienced painters. However, with a few small adjustments, you can easily enhance by using a white acrylic pen, coloring many thin layers, using small paintbrushes, and working in good lighting.  More importantly, choosing a kit from Wander Painting with collections like Floral, Landscape, Animal hay Custom will help you have a smooth painting experience and a better result.  All you need to do is follow proper techniques, which make hiding numbers and lines easier and create a professional-looking painting.

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