#518918#518918

#518918 is a mid, vivid yellow-green. Relative luminance 0.197; OKLCH L 57.0% C 0.151 H 133.3°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#518918
RGB	rgb(81, 137, 24)
HSL	hsl(90, 70%, 32%)
HSV	hsv(90, 82%, 54%)
CMYK	cmyk(40.9%, 0%, 82.5%, 46.3%)
CIE-LAB	lab(51.50, -36.67, 49.85)
CIE-LCH	lch(51.50, 61.88, 126.34°)
OKLab	oklab(56.97% -0.1034 0.1098)
OKLCH	oklch(56.97% 0.151 133.3)
XYZ	xyz(12.5037, 19.7060, 4.0088)
Luminance	0.1971 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518918 #501889

analogous

#898918 #518918 #188918

triadic

#518918 #185189 #891851

tetradic

#518918 #188989 #501889 #891818

square

#518918 #188989 #501889 #891818

split-complementary

#518918 #181889 #891889

monochromatic

#132106 #32550F #518918 #70BD21 #8EDD3E

Accessibility & contrast

On white

4.25

#518918 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#518918 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518918

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518918	#FFFFFF	#000000	##000000
##518918	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E00

Deuteranopia (green-blind)

#877925

Tritanopia (blue-blind)

#518374

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #518918;
/* rgb */ color: rgb(81, 137, 24);
/* oklch */ color: oklch(57.0% 0.151 133.3);

Tailwind

colors: {
  custom: {
    50: '#87ac60',
    500: '#518918',
    950: '#000000',
  },
}

SCSS

$custom: #518918;
$custom-light: #87ac60;
$custom-dark: #000000;

JSON

{
  "hex": "#518918",
  "rgb": {
    "r": 81,
    "g": 137,
    "b": 24
  },
  "hsl": {
    "h": 89.735,
    "s": 70.186,
    "l": 31.569
  },
  "oklch": {
    "l": 0.56967,
    "c": 0.15085,
    "h": 133.3
  },
  "luminance": 0.19707
}

Semantic roles & 50–950 ramp

primary

#518918

secondary

#7E40BD

accent

#3BED93

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C1005

muted

#7D7F79

Preview Lab

Preview with #518918

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →