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Running Number
11,137,314
HEX
#A9F122
RGB
169, 241, 34
HSL
81°,88%,54%
HSV
81°,86%,95%
CMYK
30%,0%,86%,5%
Brightness
77%
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
#A9F122 sits at 81° on the color wheel, placing it in the chartreuse family of the neutral half of the spectrum. With 88% saturation and 54% lightness, it reads as a fully saturated, balanced tone — an immediate, signal-grade voice that demands attention. Its RGB mix of 169, 241, 34 produces a 15.29:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.
In RGB space #A9F122 is a clear variant of CSS yellow-green — about 42 units away from #9ACD32. Designers reach for chartreuse hues at this saturation when the brief calls for bold, immediate signal, and at this lightness when they want a present, comfortable mid-canvas voice. On screen the balanced cast tends to pair best with either warm or cool accents depending on the surrounding palette.
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 #A9F122 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#a9f122";💡 Click any tab to see how to use #a9f122 in different programming languages