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💡 Click on any color value below to copy it to clipboard
Running Number
2,671,439
HEX
#28C34F
RGB
40, 195, 79
HSL
135°,66%,46%
HSV
135°,79%,76%
CMYK
79%,0%,59%,24%
Brightness
53%
Type
Light
AA Normal Text: ≥ 4.5:1
AA Large Text: ≥ 3.0:1
AAA Normal Text: ≥ 7.0:1
AAA Large Text: ≥ 4.5:1
#28C34F sits at 135° on the color wheel, placing it in the spring green family of the cool half of the spectrum. With 66% saturation and 46% lightness, it reads as a richly saturated, balanced tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 40, 195, 79 produces a 9.01:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.
In RGB space #28C34F is a clear variant of CSS sea green — about 57 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 #28C34F in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#28c34f";💡 Click any tab to see how to use #28c34f in different programming languages