The hex color #3de16b is a light color. The web-safe version is Hex
#33CC66. A complementary color is
#C21E94. The grayscale version is
#838383. A 20% lighter version of the original color is
#70FF9E, and Hex
#0AAE38 is the 20% darker color. If the color is saturated by 10%, you get
#36EA69. If the color is desaturated by 10%, the color
#44D86D is obtained.