#518518#518518

#518518 is a mid, vivid yellow-green. Relative luminance 0.186; OKLCH L 55.9% C 0.146 H 132.6°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#518518
RGB	rgb(81, 133, 24)
HSL	hsl(89, 69%, 31%)
HSV	hsv(89, 82%, 52%)
CMYK	cmyk(39.1%, 0%, 82%, 47.8%)
CIE-LAB	lab(50.20, -34.91, 48.66)
CIE-LCH	lch(50.20, 59.88, 125.66°)
OKLab	oklab(55.9% -0.0987 0.1073)
OKLCH	oklch(55.9% 0.146 132.6)
XYZ	xyz(11.9456, 18.5898, 3.8228)
Luminance	0.1859 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518518 #4C1885

analogous

#858218 #518518 #1A8518

triadic

#518518 #185185 #851851

tetradic

#518518 #188582 #4C1885 #85181A

square

#518518 #188582 #4C1885 #85181A

split-complementary

#518518 #181A85 #821885

monochromatic

#121D05 #31510F #518518 #71B921 #8FDC3C

Accessibility & contrast

On white

4.45

#518518 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#518518 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518518

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518518	#FFFFFF	#000000	##000000
##518518	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7A00

Deuteranopia (green-blind)

#847624

Tritanopia (blue-blind)

#527F71

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #518518;
/* rgb */ color: rgb(81, 133, 24);
/* oklch */ color: oklch(55.9% 0.146 132.6);

Tailwind

colors: {
  custom: {
    50: '#87a95f',
    500: '#518518',
    950: '#000000',
  },
}

SCSS

$custom: #518518;
$custom-light: #87a95f;
$custom-dark: #000000;

JSON

{
  "hex": "#518518",
  "rgb": {
    "r": 81,
    "g": 133,
    "b": 24
  },
  "hsl": {
    "h": 88.624,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.55904,
    "c": 0.14579,
    "h": 132.6
  },
  "luminance": 0.1859
}

Semantic roles & 50–950 ramp

primary

#518518

secondary

#7A40B9

accent

#3CEC90

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C1005

muted

#7D7F79

Preview Lab

Preview with #518518

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

Preview Lab → · Contrast checker → · Palette generator →