Green color · XKCD survey name

Leafy Green Color Code: #51B73B

Leafy Green is a medium, rich green color with the hexadecimal value #51B73B. In RGB it is 81, 183, 59 and in HSL it is 109°, 51%, 47%. Black text reads best on it (8.18:1 contrast).

Leafy Green color values

HEX #51B73B
RGB rgb(81, 183, 59)
HSL hsl(109, 51%, 47%)
HSV 109, 68%, 72%
HWB hwb(109 23% 28%)
CMYK 56%, 0%, 68%, 28%
Decimal 5355323
47%HSL lightness (medium)
51%HSL saturation (rich)
109°Hue angle (green)
0.359Relative luminance

CMYK is a standard screen-to-print conversion. Printed results depend on inks, paper and color profiles.

What is Leafy Green?

“Leafy 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 109° places it in the green part of the color wheel, with 51% saturation (rich) and 47% lightness (medium). It sits between warm and cool.

Compared with the other green colors in the Aqeeb Studio library, it is lighter than 46% of them and more saturated than 26% of them.

Its relative luminance is 0.359, which makes it a light color. That is above the 0.179 crossover point at which black and white text have equal contrast, so black text has the advantage.

Leafy Green counts as a light color: its HSL lightness is 47% and its relative luminance is 0.359. Black text reads best on it (8.18:1 contrast).

Text contrast on Leafy Green

WCAG contrast of white and black text on Leafy Green
TextPreviewRatioAA normalAA largeAAA normalAAA large
White text Sample text 2.56:1 Poor Fail Fail Fail Fail
Black text Sample text 8.18:1 Excellent Pass Pass Pass Pass

Ratios use the WCAG 2 formula and are truncated, never rounded up. Test any pair with the contrast checker.

Colors that go with Leafy 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.

#214B18#214B18
#39812A#39812A
#51B73B#51B73B
#7CCF6A#7CCF6A
#ACE0A0#ACE0A0

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 Leafy 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.

Where to use Leafy Green

  • Card, highlight and section backgrounds with dark text (8.18:1 contrast with black)
  • 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)

Use Leafy Green in CSS

:root {
  --color-leafy-green: #51B73B;
}

.element {
  color: var(--color-leafy-green);
  background-color: #51B73B;
  border: 2px solid #51B73B;
}

Questions about Leafy Green

What is the HEX code for Leafy Green?

Leafy Green is #51B73B.

What is the RGB value of Leafy Green?

The RGB value of Leafy Green is 81, 183, 59: 81 red, 183 green and 59 blue on a 0–255 scale, written rgb(81, 183, 59) in CSS.

What is the HSL value of Leafy Green?

The HSL value of Leafy Green is 109°, 51%, 47% (hue, saturation, lightness), written hsl(109, 51%, 47%) in CSS.

What is the CMYK value of Leafy Green?

A standard conversion gives about C 56%, M 0%, Y 68%, K 28%. Real print results depend on the inks, paper and color profile, so treat CMYK here as a reference value.

Is Leafy Green a light or dark color?

Leafy Green counts as a light color: its HSL lightness is 47% and its relative luminance is 0.359. Black text reads best on it (8.18:1 contrast).

How does Leafy Green look with white text?

White text on Leafy Green has a contrast ratio of 2.56:1, rated Poor. It falls below the WCAG minimum for text.

How does Leafy Green look with black text?

Black text on Leafy Green has a contrast ratio of 8.18:1, rated Excellent. It meets WCAG AA for normal text.

What colors go well with Leafy Green?

Medium Orchid is its complementary color, and Avocado sits beside it as an analogous color. Lighter and darker variants of the same hue also work well for monochromatic palettes.

Where can Leafy Green be used?

It suits card, highlight and section backgrounds with dark text (8.18:1 contrast with black); eco, health and finance-style branding; charts, maps and nature illustrations.

How do I use Leafy Green in CSS?

Use color: #51B73B; for text, background-color: #51B73B; for fills, or define a custom property such as --color-leafy-green: #51B73B; and reuse it with var(--color-leafy-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.