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💡 Click on any color value below to copy it to clipboard
Running Number
10,085,297
HEX
#99E3B1
RGB
153, 227, 177
HSL
139°,57%,75%
HSV
139°,33%,89%
CMYK
33%,0%,22%,11%
Brightness
78%
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
#99E3B1 sits at 139° on the color wheel, placing it in the spring green family of the cool half of the spectrum. With 57% saturation and 75% lightness, it reads as a moderately saturated, very light tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 153, 227, 177 produces a 13.98:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.
In RGB space #99E3B1 is a clear variant of CSS silver — about 55 units away from #C0C0C0. Designers reach for spring green hues at this saturation when the brief calls for a conversational, mid-energy register, and at this lightness when they want lift, air, and gentle emphasis. 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 #99E3B1 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#99e3b1";💡 Click any tab to see how to use #99e3b1 in different programming languages