Nhật Phúc — Color Palette Extractor 1.0.0
App source: MIT, Copyright (c) 2026 Nhật Phúc.

image-q 4.0.0, MIT, Copyright (c) 2015 Igor Bezkrovny.
https://github.com/ibezkrovnyi/image-quantization
Used unmodified for WuQuant initial colors (4-bit histogram per channel) and color space conversion.
See IMAGEQ-MIT.txt and IMAGEQ-README.txt, including upstream credits.
Weighted Lab refinement, locking, sampling, distribution, UI and exports
are implemented by this app. No runtime AI service or remote color API.

Sample studio/desk/city images are reused from the site's own Device Mockup
project, where the scenes were generated with the built-in image_gen tool.
No user images are included in the samples.

Contrast helper follows WCAG relative sRGB luminance: AA normal text4.5:1,
AA large text3:1, AAA normal text7:1. Color contrast alone does not establish
full WCAG conformance. https://www.w3.org/WAI/WCAG22/Understanding/contrast-minimum.html

Image decoding, sampling and palette extraction are local to the browser.
No image, picked pixel or extracted palette is uploaded by this tool.