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Running Number
8,489,835
HEX
#818B6B
RGB
129, 139, 107
HSL
79°,13%,48%
HSV
79°,23%,55%
CMYK
7%,0%,23%,45%
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
#818B6B sits at 79° on the color wheel, placing it in the chartreuse family of the neutral half of the spectrum. With 13% saturation and 48% lightness, it reads as a heavily muted, balanced tone — a quiet, restrained presence that recedes rather than competes. Its RGB mix of 129, 139, 107 produces a 5.84:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.
In RGB space #818B6B is a close cousin of CSS gray — about 24 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 #818B6B in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#818b6b";💡 Click any tab to see how to use #818b6b in different programming languages