The hex color #53ef9c is a light color. The web-safe version is Hex
#66FF99. A complementary color is
#AC1063. The grayscale version is
#9F9F9F. A 20% lighter version of the original color is
#86FFCF, and Hex
#20BC69 is the 20% darker color. If the color is saturated by 10%, you get
#4BF79C. If the color is desaturated by 10%, the color
#5BE79C is obtained.