The hex color #65e37f is a light color. The web-safe version is Hex
#66CC66. A complementary color is
#9A1C80. The grayscale version is
#989898. A 20% lighter version of the original color is
#98FFB2, and Hex
#32B04C is the 20% darker color. If the color is saturated by 10%, you get
#60EB7D. If the color is desaturated by 10%, the color
#6ADB81 is obtained.