The hex color #6df1a3 is a light color. The web-safe version is Hex
#66FF99. A complementary color is
#920E5C. The grayscale version is
#ABABAB. A 20% lighter version of the original color is
#A0FFD6, and Hex
#3ABE70 is the 20% darker color. If the color is saturated by 10%, you get
#67F8A2. If the color is desaturated by 10%, the color
#73EAA4 is obtained.