Exploring the Color #91E0C5

#91E0C5 sits at 159° on the color wheel, placing it in the spring green family of the cool half of the spectrum. With 56% saturation and 72% lightness, it reads as a moderately saturated, light tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 145, 224, 197 produces a 13.67:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.

In RGB space #91E0C5 is a clear variant of CSS sky blue — about 43 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 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.

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