#398F4E
≈ seagreen · rgb(57, 143, 78)
Color formats
HEX#398F4E
RGBrgb(57, 143, 78)
HSLhsl(135, 43%, 39%)
HSVhsv(135, 60%, 56%)
OKLCHoklch(58% 0.13 149)
CMYKcmyk(60%, 0%, 45%, 44%)
Contrast & accessibility
On white4.03:1below AA
On black5.21:1AA pass
Best text color#000000
Nearest CSS name: seagreen
Copy-ready code
CSS custom properties
:root {
--seagreen: #398f4e;
--seagreen-rgb: 57 143 78;
--seagreen-oklch: oklch(58% 0.13 149);
}The space-separated triple lets you set alpha without a second variable:
background: rgb(var(--seagreen-rgb) / 40%);
Tailwind (arbitrary value)
bg-[#398f4e] text-[#398f4e] border-[#398f4e]
Shades & tints
Color harmonies
About this color
#398F4E is a color with the RGB value rgb(57, 143, 78). Its closest CSS named color is "seagreen". 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.