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Running Number
1,821,272
HEX
#1BCA58
RGB
27, 202, 88
HSL
141°,76%,45%
HSV
141°,87%,79%
CMYK
87%,0%,56%,21%
Brightness
54%
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
#1BCA58 sits at 141° on the color wheel, placing it in the spring green family of the cool half of the spectrum. With 76% saturation and 45% lightness, it reads as a richly saturated, balanced tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 27, 202, 88 produces a 9.64:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.
In RGB space #1BCA58 is a distant relative of CSS sea green — about 66 units away from #2E8B57. Designers reach for spring 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 #1BCA58 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#1bca58";💡 Click any tab to see how to use #1bca58 in different programming languages