The hex color #53cccb is a light color. The web-safe version is Hex
#66CCCC. A complementary color is
#AC3334. The grayscale version is
#A3A3A3. A 20% lighter version of the original color is
#86FFFE, and Hex
#209998 is the 20% darker color. If the color is saturated by 10%, you get
#4BD0CF. If the color is desaturated by 10%, the color
#5BC8C7 is obtained.