The hex color #74dd4b is a light color. The web-safe version is Hex
#66CC33. A complementary color is
#8B22B4. The grayscale version is
#898989. A 20% lighter version of the original color is
#A7FF7E, and Hex
#41AA18 is the 20% darker color. If the color is saturated by 10%, you get
#72E545. If the color is desaturated by 10%, the color
#76D551 is obtained.