ColourPilot

Sky Blue

Hex Code #81DFDD

Color Analysis Summary

Color #81DFDD, historically referred to as Sky Blue, is a beautifully balanced color tone. Mathematically, in the RGB (Red, Green, Blue) spectrum, this color is formulated by mixing 51% red, 87% green, and 87% blue. These digital components translate to exact numerical values of Red: 129, Green: 223, and Blue: 221. In terms of web formatting, this exact tone is declared in stylesheets using the hex code #81DFDD. For designers working with cylindrical coordinates, its HSL values are mapped to a hue angle of 179°, a saturation of 59%, and a lightness index of 69%. In the HSV (Hue, Saturation, Value) model, it retains a brightness value of 87%. Because of its specific lightness, this tone offers distinct visual contrast properties. Incorporating #81DFDD into your UI layout is highly recommended for building visual hierarchy, either as a primary brand marker or a subtle secondary accent. When paired with its programmatic complement or analogous siblings, it creates a highly professional and accessible color scheme.

Color Code Formats

RGB (Red, Green, Blue)129, 223, 221
HSL (Hue, Sat, Lightness)179°, 59%, 69%
HSV (Hue, Sat, Value)179°, 42%, 87%
CSS Valuergb(129, 223, 221)

WCAG 2.1 Contrast & Accessibility Check

On White Background1.55:1
AA Normal Text (4.5:1)FAIL
AA Large Text (3.0:1)FAIL
AAA Normal Text (7.0:1)FAIL
AAA Large Text (4.5:1)FAIL
On Black Background13.53:1
AA Normal Text (4.5:1)PASS
AA Large Text (3.0:1)PASS
AAA Normal Text (7.0:1)PASS
AAA Large Text (4.5:1)PASS

Color Harmonies

Complementary Harmony

Analogous Harmony

Triadic Harmony

Monochromatic Harmony

Shades of Sky Blue

Tints of Sky Blue