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Running Number
8,490,842
HEX
#818F5A
RGB
129, 143, 90
HSL
76°,23%,46%
HSV
76°,37%,56%
CMYK
10%,0%,37%,44%
Brightness
52%
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
#818F5A sits at 76° on the color wheel, placing it in the chartreuse family of the neutral half of the spectrum. With 23% saturation and 46% 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, 143, 90 produces a 6.01:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.
In RGB space #818F5A is a clear variant of CSS gray — about 41 units away from #808080. Designers reach for chartreuse hues at this saturation when the brief calls for restraint and atmosphere, 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 #818F5A in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#818f5a";💡 Click any tab to see how to use #818f5a in different programming languages