Color Models

CIELAB (L*a*b*)

Không gian màu đồng nhất về mặt tri giác do CIE định nghĩa, trong đó khoảng cách số học giữa các màu tương ứng với sự khác biệt thị giác thực tế.

CIELAB uses three axes: L for lightness (0 = black, 100 = white), a for the green-to-red axis, and b* for the blue-to-yellow axis. It was designed to be device-independent and perceptually uniform, meaning a change of one unit should look like the same amount of change regardless of where in the color space it occurs. CIELAB is the basis for Delta E color difference calculations used in quality control and color matching. It is widely used in paint, textile, and food industries where precise color specification is critical.

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