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Running Number
10,081,225
HEX
#99D3C9
RGB
153, 211, 201
HSL
170°,40%,71%
HSV
170°,27%,83%
CMYK
27%,0%,5%,17%
Brightness
75%
Type
Light
AA Normal Text: ≥ 4.5:1
AA Large Text: ≥ 3.0:1
AAA Normal Text: ≥ 7.0:1
AAA Large Text: ≥ 4.5:1
#99D3C9 sits at 170° on the color wheel, placing it in the cyan family of the cool half of the spectrum. With 40% saturation and 71% 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, 211, 201 produces a 12.52:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.
In RGB space #99D3C9 is a clear variant of CSS sky blue — about 39 units away from #87CEEB. Designers reach for cyan 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.
See how this color appears in real UI elements
Button (filled)
Badge
Progress Bar
Link Hover
Input Focus Ring
Checkbox Active
Toggle Switch On
Slider Thumb
Card Border
Icon Highlight
Tooltip Background
Modal Header
Tab Active
Alert Box
Timeline Dot
Loading Spinner
Dropdown Selected
Table Row Highlight
Calendar Date
Mobile Device
See how to use #99D3C9 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#99d3c9";💡 Click any tab to see how to use #99d3c9 in different programming languages