The hex color #a4f29b is a light color. The web-safe version is Hex
#99FF99. A complementary color is
#5B0D64. The grayscale version is
#BBBBBB. A 20% lighter version of the original color is
#D7FFCE, and Hex
#71BF68 is the 20% darker color. If the color is saturated by 10%, you get
#A2F898. If the color is desaturated by 10%, the color
#A6ED9E is obtained.