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💡 Click on any color value below to copy it to clipboard
Running Number
4,563,537
HEX
#45A251
RGB
69, 162, 81
HSL
128°,40%,45%
HSV
128°,57%,64%
CMYK
57%,0%,50%,36%
Brightness
49%
Type
Dark
AA Normal Text: ≥ 4.5:1
AA Large Text: ≥ 3.0:1
AAA Normal Text: ≥ 7.0:1
AAA Large Text: ≥ 4.5:1
#45A251 sits at 128° on the color wheel, placing it in the green family of the cool half of the spectrum. With 40% saturation and 45% lightness, it reads as a moderately saturated, balanced tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 69, 162, 81 produces a 6.54:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.
In RGB space #45A251 is a clear variant of CSS sea green — about 33 units away from #2E8B57. Designers reach for 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 #45A251 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#45a251";💡 Click any tab to see how to use #45a251 in different programming languages