Green color · CSS named color
Dark Olive Green Color Code: #556B2F
The HEX code for Dark Olive Green is #556B2F. It is a medium-dark, soft yellow-green color made of 85 red, 107 green and 47 blue (HSL 82°, 39%, 30%). White text reads comfortably on it (5.94:1 contrast).
Dark Olive Green color values
#556B2F
rgb(85, 107, 47)
hsl(82, 39%, 30%)
82, 56%, 42%
hwb(82 18% 58%)
21%, 0%, 56%, 58%
5597999
darkolivegreen
CMYK is a standard screen-to-print conversion. Printed results depend on inks, paper and color profiles.
What is Dark Olive Green?
Dark Olive Green is one of the named colors defined by the CSS Color specifications (keyword “darkolivegreen”), so every modern browser understands it without a hex code.
Its hue angle of 82° places it in the yellow-green part of the color wheel, with 39% saturation (soft) and 30% lightness (medium-dark). It sits between warm and cool.
Compared with the other green colors in the Aqeeb Studio library, it is lighter than 16% of them and more saturated than 14% of them.
Its relative luminance is 0.127, which makes it a mid-tone color. That is below the 0.179 crossover point at which black and white text have equal contrast, so white text has the advantage.
Dark Olive Green counts as a dark color: its HSL lightness is 30% and its relative luminance is 0.127. White text reads comfortably on it (5.94:1 contrast).
Text contrast on Dark Olive Green
| Text | Preview | Ratio | AA normal | AA large | AAA normal | AAA large |
|---|---|---|---|---|---|---|
| White text | Sample text | 5.94:1 Good | Pass | Pass | Fail | Pass |
| Black text | Sample text | 3.53:1 Limited | Fail | Pass | Fail | Fail |
Ratios use the WCAG 2 formula and are truncated, never rounded up. Test any pair with the contrast checker.
Colors that go with Dark Olive Green
Complementary color
Complementary colors sit directly opposite each other on the color wheel (180° apart). They give the strongest hue contrast, which suits calls to action and accents.
Analogous colors
Analogous colors are neighbors on the wheel, 30° either side of the base hue. They blend smoothly and are easy to combine in backgrounds, gradients and illustrations.
Triadic colors
A triadic scheme uses three hues spaced 120° apart. It is lively yet balanced, and works best when one color leads and the other two act as accents.
Split-complementary colors
Split-complementary keeps the base color and uses the two colors on either side of its complement (150° and 210°). The contrast is strong but gentler than a direct complement.
Tetradic colors
A tetradic (rectangle) scheme combines two complementary pairs at 0°, 60°, 180° and 240°. It offers variety but needs one dominant color to stay balanced.
Monochromatic variants
Monochromatic variants keep the same hue and saturation and only change lightness, which makes them dependable for UI scales and subtle layered designs.
A “≈” before a name means the exact harmony color has no named match, so the link goes to the closest named color.
Tints and shades of Dark Olive Green
Lighter tints (mixed with white)
Darker shades (mixed with black)
Select any swatch to copy its HEX code. Build longer scales with the tints and shades tool.
Similar colors
Where to use Dark Olive Green
- Button, banner and badge backgrounds with white text (5.94:1 contrast)
- Large headings, icons and graphics, where a 3:1 contrast ratio is enough
- Eco, health and finance-style branding
- Charts, maps and nature illustrations
- Calm backgrounds and section fills
- Success and confirmation states (with a label or icon)
Dark Olive Green appears in these curated palettes: Olive Grove (Green Color Palettes), Moss and Stone (Green Color Palettes), Forest Night (Dark Color Palettes).
Use Dark Olive Green in CSS
:root {
--color-dark-olive-green: #556B2F;
}
.element {
color: var(--color-dark-olive-green);
background-color: #556B2F;
border: 2px solid #556B2F;
}Questions about Dark Olive Green
What is the HEX code for Dark Olive Green?
Dark Olive Green is #556B2F.
What is the RGB value of Dark Olive Green?
The RGB value of Dark Olive Green is 85, 107, 47: 85 red, 107 green and 47 blue on a 0–255 scale, written rgb(85, 107, 47) in CSS.
What is the HSL value of Dark Olive Green?
The HSL value of Dark Olive Green is 82°, 39%, 30% (hue, saturation, lightness), written hsl(82, 39%, 30%) in CSS.
What is the CMYK value of Dark Olive Green?
A standard conversion gives about C 21%, M 0%, Y 56%, K 58%. Real print results depend on the inks, paper and color profile, so treat CMYK here as a reference value.
Is Dark Olive Green a light or dark color?
Dark Olive Green counts as a dark color: its HSL lightness is 30% and its relative luminance is 0.127. White text reads comfortably on it (5.94:1 contrast).
How does Dark Olive Green look with white text?
White text on Dark Olive Green has a contrast ratio of 5.94:1, rated Good. It meets WCAG AA for normal text.
How does Dark Olive Green look with black text?
Black text on Dark Olive Green has a contrast ratio of 3.53:1, rated Limited. It does not reach WCAG AA for normal text; use large text only.
What colors go well with Dark Olive Green?
Dark Slate Blue is its complementary color, and Dirt Brown sits beside it as an analogous color. Lighter and darker variants of the same hue also work well for monochromatic palettes.
Where can Dark Olive Green be used?
It suits button, banner and badge backgrounds with white text (5.94:1 contrast); large headings, icons and graphics, where a 3:1 contrast ratio is enough; eco, health and finance-style branding.
How do I use Dark Olive Green in CSS?
Use color: #556B2F; for text, background-color: #556B2F; for fills, or define a custom property such as --color-dark-olive-green: #556B2F; and reuse it with var(--color-dark-olive-green).
About this color page
CSS named color (W3C CSS Color Module). Values are calculated from the HEX code; color names are labels, not trademarks or standards unless stated. Screens render colors differently, so always check important colors on your own device. See the disclaimer.