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💡 Click on any color value below to copy it to clipboard
Running Number
5,360,389
HEX
#51CB05
RGB
81, 203, 5
HSL
97°,95%,41%
HSV
97°,98%,80%
CMYK
60%,0%,98%,20%
Brightness
56%
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
#51CB05 sits at 97° on the color wheel, placing it in the chartreuse family of the neutral half of the spectrum. With 95% saturation and 41% lightness, it reads as a fully saturated, shadowed tone — an immediate, signal-grade voice that demands attention. Its RGB mix of 81, 203, 5 produces a 9.89:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.
In RGB space #51CB05 is a distant relative of CSS lawn green — about 65 units away from #7CFC00. 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 #51CB05 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#51cb05";💡 Click any tab to see how to use #51cb05 in different programming languages