Lightness Range
This rule checks that the lightness values of pixels in an image fall within the specified range.
Parameter table
| param | unit | required | description |
|---|---|---|---|
| minLightness | % | no | Minimum lightness value in percentage (minLightness). |
| maxLightness | % | no | Maximum lightness value in percentage (maxLightness). |
Detailed description
Ensures that the average lightness value across the entire image falls within the specified range ([minLightness, maxLightness]) in percentage.
Correction
The correction process adjusts lightness values to fit within the specified lightness range.
How to setup
This rule evaluates whether an image's lightness values conform to specified constraints. Key parameters include:
minLightness: Minimum lightness value in percentage.maxLightness: Maximum lightness value in percentage.
At least one argument is required.
Creator tips
- Analyze the image's color distribution to determine an appropriate lightness range.
- Use image editing tools to adjust lightness levels.
Examples
| value | valid | maxLightness | description |
|---|---|---|---|
 | ✅ | 30 | The image should have a dark and low-key appearance. |