#645E1A
≈ darkolivegreen · rgb(100, 94, 26)
Color formats
HEX#645E1A
RGBrgb(100, 94, 26)
HSLhsl(55, 59%, 25%)
HSVhsv(55, 74%, 39%)
OKLCHoklch(47% 0.09 104)
CMYKcmyk(0%, 6%, 74%, 61%)
Contrast & accessibility
On white6.65:1AA pass
On black3.16:1below AA
Best text color#FFFFFF
Nearest CSS name: darkolivegreen
Copy-ready code
CSS custom properties
:root {
--darkolivegreen: #645e1a;
--darkolivegreen-rgb: 100 94 26;
--darkolivegreen-oklch: oklch(47% 0.09 104);
}The space-separated triple lets you set alpha without a second variable:
background: rgb(var(--darkolivegreen-rgb) / 40%);
Tailwind (arbitrary value)
bg-[#645e1a] text-[#645e1a] border-[#645e1a]
Shades & tints
Color harmonies
About this color
#645E1A is a color with the RGB value rgb(100, 94, 26). Its closest CSS named color is "darkolivegreen". 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.