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Running Number
6,683,057
HEX
#65F9B1
RGB
101, 249, 177
HSL
151°,93%,69%
HSV
151°,59%,98%
CMYK
59%,0%,29%,2%
Brightness
77%
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
#65F9B1 sits at 151° on the color wheel, placing it in the spring green family of the cool half of the spectrum. With 93% saturation and 69% lightness, it reads as a fully saturated, light tone — an immediate, signal-grade voice that demands attention. Its RGB mix of 101, 249, 177 produces a 15.74:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.
In RGB space #65F9B1 is a clear variant of CSS turquoise — about 54 units away from #40E0D0. Designers reach for spring green hues at this saturation when the brief calls for bold, immediate signal, 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 #65F9B1 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#65f9b1";💡 Click any tab to see how to use #65f9b1 in different programming languages