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💡 Click on any color value below to copy it to clipboard
Running Number
8,499,281
HEX
#81B051
RGB
129, 176, 81
HSL
90°,38%,50%
HSV
90°,54%,69%
CMYK
27%,0%,54%,31%
Brightness
59%
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
#81B051 sits at 90° on the color wheel, placing it in the chartreuse family of the neutral half of the spectrum. With 38% saturation and 50% lightness, it reads as a softly muted, balanced tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 129, 176, 81 produces a 8.26:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.
In RGB space #81B051 is a clear variant of CSS yellow-green — about 49 units away from #9ACD32. Designers reach for chartreuse 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 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 #81B051 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#81b051";💡 Click any tab to see how to use #81b051 in different programming languages