The hex color #83ece5 is a light color. The web-safe version is Hex
#99FFCC. A complementary color is
#7C131A. The grayscale version is
#C7C7C7. A 20% lighter version of the original color is
#B6FFFF, and Hex
#50B9B2 is the 20% darker color. If the color is saturated by 10%, you get
#7CF0E8. If the color is desaturated by 10%, the color
#8AE8E2 is obtained.