The hex color #3ca74b is a dark color. The web-safe version is Hex
#339933. A complementary color is
#C358B4. The grayscale version is
#656565. A 20% lighter version of the original color is
#6FDA7E, and Hex
#097418 is the 20% darker color. If the color is saturated by 10%, you get
#38AE48. If the color is desaturated by 10%, the color
#40A04E is obtained.