The hex color #65a19d is a light color. The web-safe version is Hex
#669999. A complementary color is
#9A5E62. The grayscale version is
#8C8C8C. A 20% lighter version of the original color is
#98D4D0, and Hex
#326E6A is the 20% darker color. If the color is saturated by 10%, you get
#61A39F. If the color is desaturated by 10%, the color
#699F9B is obtained.