The hex color #a3ec6b is a light color. The web-safe version is Hex
#99FF66. A complementary color is
#5C1394. The grayscale version is
#A9A9A9. A 20% lighter version of the original color is
#D6FF9E, and Hex
#70B938 is the 20% darker color. If the color is saturated by 10%, you get
#A2F365. If the color is desaturated by 10%, the color
#A4E571 is obtained.