Show LAB Colors of Image
Quickly show and extract the Lightness, A, and B channels of the CIELAB color scheme. Professional-grade extraction for design and analysis.
Drag & Drop Images Here
Supports PNG, JPG, WEBP and more. Multiple files allowed.
Or try with these examples
Loaded Images
Original Image
Lightness Channel Result
Channel Description
Extracts the Lightness channel. Represents perceptual brightness.
Settings
To Grayscale
View channel as gray values
No login required for first 1000 images. Should be enough for you. If not, contact me and I'll add more for free.
Why Choose Our LAB Extractor?
Professional-grade image processing directly in your browser. No uploads, no waiting, just pure performance.
Precise Channel Extraction
Extract Lightness, A, and B channels with mathematical precision. Perfect for color correction, perceptual analysis, and advanced image processing.
100% Private
Processing happens entirely in your browser. Your images never leave your computer.
Batch Processing
Process multiple images at once and download them as a single ZIP file.
Fast & Reliable
Built with modern web technologies to ensure lightning-fast processing even for large image files.
How to Extract LAB Channels
Upload Your Images
Drag and drop your images into the upload area or click to browse. You can upload multiple images at once for batch processing.
Select LAB Channel
Choose between Lightness (L), A (green-red), or B (blue-yellow) channels. Each channel represents a different aspect of the CIELAB color space.
Adjust Grayscale View
Toggle the 'To Grayscale' option to view the selected channel as a black and white image, where brightness represents the channel intensity.
Download Results
Download individual images or use the 'All (ZIP)' button to save all processed images in a single archive.
Frequently Asked Questions
What is LAB color space?
CIELAB (LAB) is a color space that describes all perceivable colors. L* stands for Lightness, a* for the green-red axis, and b* for the blue-yellow axis. It is designed to be perceptually uniform.
Is batch processing supported?
Yes! You can upload multiple images and apply the same LAB channel extraction settings to all of them at once.
Are my images secure?
Absolutely. All processing is done locally in your browser. Your images are never uploaded to any server, ensuring 100% privacy.
What are the A and B channels used for?
The A channel represents color information from green to red, and the B channel from blue to yellow. These are useful for advanced color correction and isolating specific color ranges.