Exploring the Color #99A1D9

#99A1D9 sits at 233° on the color wheel, placing it in the blue family of the cool half of the spectrum. With 46% saturation and 73% 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 153, 161, 217 produces a 8.45:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.

In RGB space #99A1D9 is a clear variant of CSS sky blue — about 52 units away from #87CEEB. Designers reach for blue 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.

Darkening Shades

Lightening Shades