Exploring the Color #91B4C6

#91B4C6 sits at 200° on the color wheel, placing it in the azure family of the cool half of the spectrum. With 32% saturation and 67% 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 145, 180, 198 produces a 9.55:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.

In RGB space #91B4C6 is a clear variant of CSS sky blue — about 46 units away from #87CEEB. Designers reach for azure 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