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Running Number
8,517,806
HEX
#81F8AE
RGB
129, 248, 174
HSL
143°,89%,74%
HSV
143°,48%,97%
CMYK
48%,0%,30%,3%
Brightness
80%
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
#81F8AE sits at 143° on the color wheel, placing it in the spring green family of the cool half of the spectrum. With 89% saturation and 74% lightness, it reads as a fully saturated, light tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 129, 248, 174 produces a 15.97:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.
In RGB space #81F8AE is a distant relative of CSS sky blue — about 74 units away from #87CEEB. Designers reach for spring green hues at this saturation when the brief calls for bold, immediate signal, 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 #81F8AE in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#81f8ae";💡 Click any tab to see how to use #81f8ae in different programming languages