The hex color #2efa9f is a light color. The web-safe version is Hex
#33FF99. A complementary color is
#D10560. The grayscale version is
#989898. A 20% lighter version of the original color is
#61FFD2, and Hex
#00C76C is the 20% darker color. If the color is saturated by 10%, you get
#23FFA0. If the color is desaturated by 10%, the color
#39F09E is obtained.