Exploring the Color #81F1E1

#81F1E1 sits at 171° on the color wheel, placing it in the cyan family of the cool half of the spectrum. With 80% saturation and 73% lightness, it reads as a richly saturated, light tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 129, 241, 225 produces a 15.60:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.

In RGB space #81F1E1 is a clear variant of CSS sky blue — about 37 units away from #87CEEB. Designers reach for cyan hues at this saturation when the brief calls for bold, immediate signal, and at this lightness when they want lift, air, and gentle emphasis. On screen the cool cast tends to pair best with warm neutrals in the 25°-45° range to add life.

Darkening Shades

Lightening Shades