#518D10#518D10

#518D10 is a mid, vivid yellow-green. Relative luminance 0.208; OKLCH L 58.0% C 0.159 H 133.5°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#518D10
RGB	rgb(81, 141, 16)
HSL	hsl(89, 80%, 31%)
HSV	hsv(89, 89%, 55%)
CMYK	cmyk(42.6%, 0%, 88.7%, 44.7%)
CIE-LAB	lab(52.77, -38.73, 53.06)
CIE-LCH	lch(52.77, 65.69, 126.13°)
OKLab	oklab(58% -0.1094 0.1154)
OKLCH	oklch(58% 0.159 133.5)
XYZ	xyz(13.0115, 20.8358, 3.8262)
Luminance	0.2084 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518D10 #4C108D

analogous

#8D8A10 #518D10 #128D10

triadic

#518D10 #10518D #8D1051

tetradic

#518D10 #108D8A #4C108D #8D1012

square

#518D10 #108D8A #4C108D #8D1012

split-complementary

#518D10 #10128D #8A108D

monochromatic

#121F04 #31560A #518D10 #71C416 #8FE730

Accessibility & contrast

On white

4.06

#518D10 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#518D10 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518D10

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518D10	#FFFFFF	#000000	##000000
##518D10	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)

#8B7C21

Tritanopia (blue-blind)

#518777

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #518d10;
/* rgb */ color: rgb(81, 141, 16);
/* oklch */ color: oklch(58.0% 0.159 133.5);

Tailwind

colors: {
  custom: {
    50: '#88af5e',
    500: '#518d10',
    950: '#000000',
  },
}

SCSS

$custom: #518d10;
$custom-light: #88af5e;
$custom-dark: #000000;

JSON

{
  "hex": "#518d10",
  "rgb": {
    "r": 81,
    "g": 141,
    "b": 16
  },
  "hsl": {
    "h": 88.8,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.57995,
    "c": 0.15902,
    "h": 133.5
  },
  "luminance": 0.20836
}

Semantic roles & 50–950 ramp

primary

#518D10

secondary

#7A37C2

accent

#32F690

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C1005

muted

#7D7F79

Preview Lab

Preview with #518D10

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

Preview Lab → · Contrast checker → · Palette generator →