Green color · XKCD survey name
Swamp Green Color Code: #748500
The HEX code for Swamp Green is #748500. It is a dark, vivid yellow color made of 116 red, 133 green and 0 blue (HSL 68°, 100%, 26%). Black text reads best on it (5.09:1 contrast).
Swamp Green color values
#748500
rgb(116, 133, 0)
hsl(68, 100%, 26%)
68, 100%, 52%
hwb(68 0% 48%)
13%, 0%, 100%, 48%
7636224
CMYK is a standard screen-to-print conversion. Printed results depend on inks, paper and color profiles.
What is Swamp Green?
“Swamp Green” is a crowd-sourced name from the XKCD Color Survey, in which participants typed names for colors they were shown. It is a popular everyday label rather than an official standard.
Its hue angle of 68° places it in the yellow part of the color wheel, with 100% saturation (vivid) and 26% lightness (dark). It is a warm color.
Compared with the other green colors in the Aqeeb Studio library, it is lighter than 11% of them and more saturated than 89% of them.
Its relative luminance is 0.205, which makes it a mid-tone color. That is above the 0.179 crossover point at which black and white text have equal contrast, so black text has the advantage.
Swamp Green counts as a light color: its HSL lightness is 26% and its relative luminance is 0.205. Black text reads best on it (5.09:1 contrast).
Text contrast on Swamp Green
| Text | Preview | Ratio | AA normal | AA large | AAA normal | AAA large |
|---|---|---|---|---|---|---|
| White text | Sample text | 4.11:1 Limited | Fail | Pass | Fail | Fail |
| Black text | Sample text | 5.09:1 Good | Pass | Pass | Fail | Pass |
Ratios use the WCAG 2 formula and are truncated, never rounded up. Test any pair with the contrast checker.
Colors that go with Swamp 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 Swamp 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 Swamp Green
- Card, highlight and section backgrounds with dark text (5.09:1 contrast with black)
- Accents that need to stand out: call-to-action buttons, charts and illustrations
- Large headings, icons and graphics, where a 3:1 contrast ratio is enough
- Charts, maps and nature illustrations
- Calm backgrounds and section fills
- Success and confirmation states (with a label or icon)
Use Swamp Green in CSS
:root {
--color-swamp-green: #748500;
}
.element {
color: var(--color-swamp-green);
background-color: #748500;
border: 2px solid #748500;
}Questions about Swamp Green
What is the HEX code for Swamp Green?
Swamp Green is #748500.
What is the RGB value of Swamp Green?
The RGB value of Swamp Green is 116, 133, 0: 116 red, 133 green and 0 blue on a 0–255 scale, written rgb(116, 133, 0) in CSS.
What is the HSL value of Swamp Green?
The HSL value of Swamp Green is 68°, 100%, 26% (hue, saturation, lightness), written hsl(68, 100%, 26%) in CSS.
What is the CMYK value of Swamp Green?
A standard conversion gives about C 13%, M 0%, Y 100%, K 48%. Real print results depend on the inks, paper and color profile, so treat CMYK here as a reference value.
Is Swamp Green a light or dark color?
Swamp Green counts as a light color: its HSL lightness is 26% and its relative luminance is 0.205. Black text reads best on it (5.09:1 contrast).
How does Swamp Green look with white text?
White text on Swamp Green has a contrast ratio of 4.11:1, rated Limited. It does not reach WCAG AA for normal text; use large text only.
How does Swamp Green look with black text?
Black text on Swamp Green has a contrast ratio of 5.09:1, rated Good. It meets WCAG AA for normal text.
What colors go well with Swamp Green?
Navy is its complementary color, and Medium Brown sits beside it as an analogous color. Lighter and darker variants of the same hue also work well for monochromatic palettes.
Where can Swamp Green be used?
It suits card, highlight and section backgrounds with dark text (5.09:1 contrast with black); accents that need to stand out: call-to-action buttons, charts and illustrations; large headings, icons and graphics, where a 3:1 contrast ratio is enough.
How do I use Swamp Green in CSS?
Use color: #748500; for text, background-color: #748500; for fills, or define a custom property such as --color-swamp-green: #748500; and reuse it with var(--color-swamp-green).
About this color page
Crowd-sourced name from the XKCD Color Survey (CC0). 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.