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Running Number
1,795,611
HEX
#1B661B
RGB
27, 102, 27
HSL
120°,58%,25%
HSV
120°,74%,40%
CMYK
74%,0%,74%,60%
Brightness
28%
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
#1B661B sits at 120° on the color wheel, placing it in the green family of the cool half of the spectrum. With 58% saturation and 25% lightness, it reads as a moderately saturated, shadowed tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 27, 102, 27 produces a 7.09:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.
In RGB space #1B661B is a clear variant of CSS forest green — about 38 units away from #228B22. Designers reach for green hues at this saturation when the brief calls for a conversational, mid-energy register, and at this lightness when they want weight, depth, and grounded contrast. On screen the cool cast tends to pair best with warm neutrals in the 25°-45° range to add life.
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 #1B661B in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#1b661b";💡 Click any tab to see how to use #1b661b in different programming languages