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Running Number
3,903,578
HEX
#3B905A
RGB
59, 144, 90
HSL
142°,42%,40%
HSV
142°,59%,56%
CMYK
59%,0%,37%,44%
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
#3B905A sits at 142° on the color wheel, placing it in the spring green family of the cool half of the spectrum. With 42% saturation and 40% 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 59, 144, 90 produces a 5.32:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.
In RGB space #3B905A is a close cousin of CSS sea green — about 14 units away from #2E8B57. Designers reach for spring green 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 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 #3B905A in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#3b905a";💡 Click any tab to see how to use #3b905a in different programming languages