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💡 Click on any color value below to copy it to clipboard
Running Number
2,185,498
HEX
#21591A
RGB
33, 89, 26
HSL
113°,55%,23%
HSV
113°,71%,35%
CMYK
63%,0%,71%,65%
Brightness
26%
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
#21591A sits at 113° on the color wheel, placing it in the green family of the cool half of the spectrum. With 55% saturation and 23% lightness, it reads as a moderately saturated, deep tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 33, 89, 26 produces a 8.37:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.
In RGB space #21591A is a clear variant of CSS forest green — about 51 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 #21591A in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#21591a";💡 Click any tab to see how to use #21591a in different programming languages