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Running Number
6,522,138
HEX
#63851A
RGB
99, 133, 26
HSL
79°,67%,31%
HSV
79°,80%,52%
CMYK
26%,0%,80%,48%
Brightness
43%
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
#63851A sits at 79° on the color wheel, placing it in the chartreuse family of the neutral half of the spectrum. With 67% saturation and 31% lightness, it reads as a richly saturated, shadowed tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 99, 133, 26 produces a 4.90:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.
In RGB space #63851A is a close cousin of CSS olive drab — about 15 units away from #6B8E23. 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 #63851A in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#63851a";💡 Click any tab to see how to use #63851a in different programming languages