#66C749
≈ limegreen · rgb(102, 199, 73)
Color formats
HEX#66C749
RGBrgb(102, 199, 73)
HSLhsl(106, 53%, 53%)
HSVhsv(106, 63%, 78%)
OKLCHoklch(74% 0.19 139)
CMYKcmyk(49%, 0%, 63%, 22%)
Contrast & accessibility
On white2.14:1below AA
On black9.83:1AA pass
Best text color#000000
Nearest CSS name: limegreen
Copy-ready code
CSS custom properties
:root {
--limegreen: #66c749;
--limegreen-rgb: 102 199 73;
--limegreen-oklch: oklch(74% 0.19 139);
}The space-separated triple lets you set alpha without a second variable:
background: rgb(var(--limegreen-rgb) / 40%);
Tailwind (arbitrary value)
bg-[#66c749] text-[#66c749] border-[#66c749]
Shades & tints
Color harmonies
About this color
#66C749 is a color with the RGB value rgb(102, 199, 73). Its closest CSS named color is "limegreen". On this page you'll find every format (HEX, RGB, HSL, HSV, OKLCH, CMYK), WCAG contrast against white and black, a full 50–950 shade scale, and complementary, analogous and triadic harmonies — each linking to its own color page.