The hex color #64b46c is a light color. The web-safe version is Hex
#66CC66. A complementary color is
#9B4B93. The grayscale version is
#818181. A 20% lighter version of the original color is
#97E79F, and Hex
#318139 is the 20% darker color. If the color is saturated by 10%, you get
#61B96A. If the color is desaturated by 10%, the color
#67AF6E is obtained.