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Running Number
8,485,641
HEX
#817B09
RGB
129, 123, 9
HSL
57°,87%,27%
HSV
57°,93%,51%
CMYK
0%,5%,93%,49%
Brightness
44%
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
#817B09 sits at 57° on the color wheel, placing it in the yellow family of the warm half of the spectrum. With 87% saturation and 27% lightness, it reads as a fully saturated, shadowed tone — a weighted, dramatic presence with deep undertones. Its RGB mix of 129, 123, 9 produces a 4.77:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.
In RGB space #817B09 is a close cousin of CSS olive — about 10 units away from #808000. Designers reach for yellow hues at this saturation when the brief calls for bold, immediate signal, and at this lightness when they want weight, depth, and grounded contrast. On screen the warm cast tends to pair best with cool neutrals around 210°-230° to balance temperature.
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 #817B09 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#817b09";💡 Click any tab to see how to use #817b09 in different programming languages