How to Sample Average Color in Paint.NET
This guide explains how to sample a color average from a larger area in Paint.NET rather than selecting an individual pixel. While the default sampling setting captures only a single pixel at a time, Paint.NET includes a built-in feature that blends pixels across a defined radius, making it easy to extract a balanced, representative color from noisy textures or photographs.
The Tool: Color Picker with Custom Sampling Size
To sample an average color from an area, you must use the standard Color Picker tool (keyboard shortcut K) in conjunction with the Sampling size option located in the top toolbar.
By default, the Color Picker uses a "1x1 (point)" mode. To sample a broader region, follow these steps:
- Select the Color Picker Tool: Click the eyedropper
icon in the Tools palette or press
Kon your keyboard. - Adjust the Sampling Size: Look at the tool settings bar directly above the canvas. Find the dropdown menu labeled Sampling: or Sample size.
- Choose an Area: Change the setting from 1x1 to a larger region, such as 3x3, 5x5, or larger square matrices depending on how wide of an area you want to average.
- Sample the Color:
- Left-click on the canvas to set the averaged result as your Primary Color.
- Right-click on the canvas to set the averaged result as your Secondary Color.
When to Use Region Averaging
Single-pixel sampling frequently picks up compression artifacts, digital noise, or sharp highlights that do not accurately represent the true tone of an object. Increasing the sampling size calculates the mathematical average of the color values within the chosen bounding box, ensuring your sampled color blends naturally when retouching images, creating gradients, or matching backgrounds.