Exploring the Color #81C8B1

#81C8B1 sits at 161° on the color wheel, placing it in the spring green family of the cool half of the spectrum. With 39% saturation and 65% lightness, it reads as a softly muted, light tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 129, 200, 177 produces a 10.83:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.

In RGB space #81C8B1 is a clear variant of CSS sky blue — about 59 units away from #87CEEB. Designers reach for spring green hues at this saturation when the brief calls for a conversational, mid-energy register, and at this lightness when they want a present, comfortable mid-canvas voice. On screen the cool cast tends to pair best with warm neutrals in the 25°-45° range to add life.

Darkening Shades

Lightening Shades