The hex color #dff3f5 is a light color. The web-safe version is Hex
#CCFFFF. A complementary color is
#200C0A. The grayscale version is
#EDEDED. A 20% lighter version of the original color is
#FFFFFF, and Hex
#ACC0C2 is the 20% darker color. If the color is saturated by 10%, you get
#DEF4F6. If the color is desaturated by 10%, the color
#E0F2F4 is obtained.