The hex color #4cd69f is a light color. The web-safe version is Hex
#33CC99. A complementary color is
#B32960. The grayscale version is
#969696. A 20% lighter version of the original color is
#7FFFD2, and Hex
#19A36C is the 20% darker color. If the color is saturated by 10%, you get
#45DCA0. If the color is desaturated by 10%, the color
#53D09E is obtained.