Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The color of apples (A) in CIE L*a*b* coordinates (where L* represents lightness, a* refers to red/green coordinate, b* is yellow/green coordinate), (B) in CIE L*C*H* coordinates (where L* represents lightness, C* refers to chroma, H* is the hue angle).
