The hex color #65c38f is a light color. The web-safe version is Hex
#66CC99. A complementary color is
#9A3C70. The grayscale version is
#929292. A 20% lighter version of the original color is
#98F6C2, and Hex
#32905C is the 20% darker color. If the color is saturated by 10%, you get
#60C88F. If the color is desaturated by 10%, the color
#6ABE8F is obtained.