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Running Number
6,518,591
HEX
#63773F
RGB
99, 119, 63
HSL
81°,31%,36%
HSV
81°,47%,47%
CMYK
17%,0%,47%,53%
Brightness
42%
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
#63773F sits at 81° on the color wheel, placing it in the chartreuse family of the neutral half of the spectrum. With 31% saturation and 36% lightness, it reads as a softly muted, shadowed tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 99, 119, 63 produces a 4.95:1 contrast ratio against white, which clears WCAG AA for body text in that pairing.
In RGB space #63773F is a clear variant of CSS olive drab — about 37 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 #63773F in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#63773f";💡 Click any tab to see how to use #63773f in different programming languages