#518D16#518D16

#518D16 is a mid, vivid yellow-green. Relative luminance 0.209; OKLCH L 58.0% C 0.157 H 133.8°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#518D16
RGB	rgb(81, 141, 22)
HSL	hsl(90, 73%, 32%)
HSV	hsv(90, 84%, 55%)
CMYK	cmyk(42.6%, 0%, 84.4%, 44.7%)
CIE-LAB	lab(52.79, -38.49, 51.59)
CIE-LCH	lch(52.79, 64.37, 126.72°)
OKLab	oklab(58.02% -0.1084 0.1132)
OKLCH	oklch(58.02% 0.157 133.8)
XYZ	xyz(13.0628, 20.8563, 4.0963)
Luminance	0.2086 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518D16 #52168D

analogous

#8D8D16 #518D16 #168D17

triadic

#518D16 #16518D #8D1651

tetradic

#518D16 #168D8D #52168D #8D1716

square

#518D16 #168D8D #52168D #8D1716

split-complementary

#518D16 #17168D #8D168D

monochromatic

#142305 #33580E #518D16 #6FC21E #8EE13D

Accessibility & contrast

On white

4.06

#518D16 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#518D16 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518D16

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518D16	#FFFFFF	#000000	##000000
##518D16	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)

#8B7C25

Tritanopia (blue-blind)

#518778

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #518d16;
/* rgb */ color: rgb(81, 141, 22);
/* oklch */ color: oklch(58.0% 0.157 133.8);

Tailwind

colors: {
  custom: {
    50: '#88af60',
    500: '#518d16',
    950: '#000000',
  },
}

SCSS

$custom: #518d16;
$custom-light: #88af60;
$custom-dark: #000000;

JSON

{
  "hex": "#518d16",
  "rgb": {
    "r": 81,
    "g": 141,
    "b": 22
  },
  "hsl": {
    "h": 90.252,
    "s": 73.006,
    "l": 31.961
  },
  "oklch": {
    "l": 0.5802,
    "c": 0.15674,
    "h": 133.8
  },
  "luminance": 0.20857
}

Semantic roles & 50–950 ramp

primary

#518D16

secondary

#803EC1

accent

#38F095

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #518D16

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

Preview Lab → · Contrast checker → · Palette generator →