delaboratory颜色修正工具

delaboratory 是一个颜色修正工具，可用于修改图片的颜色和对比度。

using curves, mixer, and blending in different colorspaces (RGB/BW, XYZ/LAB, CMY/CMYK, HSL/HSV) with floating-point precision. Each operation is stored as an adjustment layer and you can watch a real-time preview.