Loading...
💡 Click on any color value below to copy it to clipboard
Running Number
6,749,748
HEX
#66FE34
RGB
102, 254, 52
HSL
105°,99%,60%
HSV
105°,80%,100%
CMYK
60%,0%,80%,0%
Brightness
73%
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
#66FE34 sits at 105° on the color wheel, placing it in the green family of the cool half of the spectrum. With 99% saturation and 60% lightness, it reads as a fully saturated, light tone — an immediate, signal-grade voice that demands attention. Its RGB mix of 102, 254, 52 produces a 15.79:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.
In RGB space #66FE34 is a clear variant of CSS lawn green — about 56 units away from #7CFC00. Designers reach for 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 #66FE34 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#66fe34";💡 Click any tab to see how to use #66fe34 in different programming languages