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💡 Click on any color value below to copy it to clipboard
Running Number
4,156,243
HEX
#3F6B53
RGB
63, 107, 83
HSL
147°,26%,33%
HSV
147°,41%,42%
CMYK
41%,0%,22%,58%
Brightness
36%
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
#3F6B53 sits at 147° on the color wheel, placing it in the spring green family of the cool half of the spectrum. With 26% saturation and 33% 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 63, 107, 83 produces a 6.11:1 contrast ratio against white, which clears WCAG AA for body text in that pairing.
In RGB space #3F6B53 is a clear variant of CSS sea green — about 36 units away from #2E8B57. Designers reach for spring green hues at this saturation when the brief calls for restraint and atmosphere, 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 #3F6B53 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#3f6b53";💡 Click any tab to see how to use #3f6b53 in different programming languages