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Running Number
3,840,129
HEX
#3A9881
RGB
58, 152, 129
HSL
165°,45%,41%
HSV
165°,62%,60%
CMYK
62%,0%,15%,40%
Brightness
48%
Type
Dark
AA Normal Text: ≥ 4.5:1
AA Large Text: ≥ 3.0:1
AAA Normal Text: ≥ 7.0:1
AAA Large Text: ≥ 4.5:1
#3A9881 sits at 165° on the color wheel, placing it in the cyan family of the cool half of the spectrum. With 45% saturation and 41% lightness, it reads as a moderately saturated, shadowed tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 58, 152, 129 produces a 5.99:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.
In RGB space #3A9881 is a clear variant of CSS sea green — about 46 units away from #2E8B57. 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 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.
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 #3A9881 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#3a9881";💡 Click any tab to see how to use #3a9881 in different programming languages