#556B2F
darkolivegreen
#556B2F is the CSS named color "darkolivegreen", an exact match. In RGB it breaks down to red 85, green 107, and blue 47 out of 255 each. In HSL terms that's a hue of 82°, 39% saturation, and 30% lightness: quite dark, close to black — it works well as body text on a light background or as a near-black UI surface.
Every format
| HEX | #556b2f |
| RGB | rgb(85, 107, 47) |
| HSL | hsl(82° 39% 30%) |
| HSB | hsb(82° 56% 42%) |
| OKLCH | oklch(50% 0.090 126°) |
| OKLAB | oklab(50% -0.053 0.072) |
| LCH | lch(42% 34.5 118°) |
| CMYK | cmyk(21% 0% 56% 58%) |
Shades (darker)
#556b2f · #4a6023 · #405417 · #354909 · #2b3f00
Tints (lighter)
#556b2f · #637a3e · #72894c · #80985b · #8fa86a
Shades mix #556B2F toward black in even steps, useful for hover and pressed states in a UI; tints mix it toward white, useful for subtle backgrounds and disabled states that still read as the same color family.
On white: 5.95:1 — AA
On black: 3.53:1 — AA (large text only)
Frequently asked
- What is #556B2F in RGB?
- #556B2F is rgb(85, 107, 47) — red 85, green 107, blue 47 out of 255 each.
- Does #556B2F pass WCAG contrast on a white background?
- It has a contrast ratio of 5.95:1 against white, which passes WCAG AA for normal text.
- What's a good background color to pair with #556B2F?
- White text or a white background gives better contrast (5.95:1) than black (3.53:1).