#518D18#518D18

#518D18 is a mid, vivid yellow-green. Relative luminance 0.209; OKLCH L 58.0% C 0.156 H 133.9°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#518D18
RGB	rgb(81, 141, 24)
HSL	hsl(91, 71%, 32%)
HSV	hsv(91, 83%, 55%)
CMYK	cmyk(42.6%, 0%, 83%, 44.7%)
CIE-LAB	lab(52.80, -38.39, 51.04)
CIE-LCH	lch(52.80, 63.86, 126.95°)
OKLab	oklab(58.03% -0.108 0.1123)
OKLCH	oklch(58.03% 0.156 133.9)
XYZ	xyz(13.0829, 20.8643, 4.2018)
Luminance	0.2087 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518D18 #54188D

analogous

#8C8D18 #518D18 #188D19

triadic

#518D18 #18518D #8D1851

tetradic

#518D18 #188C8D #54188D #8D1918

square

#518D18 #188C8D #54188D #8D1918

split-complementary

#518D18 #19188D #8D188C

monochromatic

#152406 #33590F #518D18 #6FC121 #8EDF41

Accessibility & contrast

On white

4.06

#518D18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#518D18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518D18

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518D18	#FFFFFF	#000000	##000000
##518D18	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938100

Deuteranopia (green-blind)

#8B7C26

Tritanopia (blue-blind)

#508778

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #518d18;
/* rgb */ color: rgb(81, 141, 24);
/* oklch */ color: oklch(58.0% 0.156 133.9);

Tailwind

colors: {
  custom: {
    50: '#88af61',
    500: '#518d18',
    950: '#000000',
  },
}

SCSS

$custom: #518d18;
$custom-light: #88af61;
$custom-dark: #000000;

JSON

{
  "hex": "#518d18",
  "rgb": {
    "r": 81,
    "g": 141,
    "b": 24
  },
  "hsl": {
    "h": 90.769,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.5803,
    "c": 0.15585,
    "h": 133.9
  },
  "luminance": 0.20865
}

Semantic roles & 50–950 ramp

primary

#518D18

secondary

#8242BF

accent

#3AEE96

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #518D18

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

Preview Lab → · Contrast checker → · Palette generator →