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💡 Click on any color value below to copy it to clipboard
Running Number
11,663,423
HEX
#B1F83F
RGB
177, 248, 63
HSL
83°,93%,61%
HSV
83°,75%,97%
CMYK
29%,0%,75%,3%
Brightness
81%
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
#B1F83F sits at 83° on the color wheel, placing it in the chartreuse family of the neutral half of the spectrum. With 93% saturation and 61% lightness, it reads as a fully saturated, light tone — an immediate, signal-grade voice that demands attention. Its RGB mix of 177, 248, 63 produces a 16.37:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.
In RGB space #B1F83F is a clear variant of CSS yellow-green — about 50 units away from #9ACD32. Designers reach for chartreuse 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 balanced cast tends to pair best with either warm or cool accents depending on the surrounding palette.
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 #B1F83F in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#b1f83f";💡 Click any tab to see how to use #b1f83f in different programming languages