#518418#518418

#518418 is a mid, vivid yellow-green. Relative luminance 0.183; OKLCH L 55.6% C 0.145 H 132.4°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#518418
RGB	rgb(81, 132, 24)
HSL	hsl(88, 69%, 31%)
HSV	hsv(88, 82%, 52%)
CMYK	cmyk(38.6%, 0%, 81.8%, 48.2%)
CIE-LAB	lab(49.88, -34.46, 48.36)
CIE-LCH	lch(49.88, 59.38, 125.48°)
OKLab	oklab(55.64% -0.0975 0.1067)
OKLCH	oklch(55.64% 0.145 132.4)
XYZ	xyz(11.8093, 18.3173, 3.7773)
Luminance	0.1832 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518418 #4B1884

analogous

#848118 #518418 #1B8418

triadic

#518418 #185184 #841851

tetradic

#518418 #188481 #4B1884 #84181B

square

#518418 #188481 #4B1884 #84181B

split-complementary

#518418 #181B84 #811884

monochromatic

#111C05 #31500F #518418 #71B821 #90DB3B

Accessibility & contrast

On white

4.50

#518418 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#518418 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518418

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518418	#FFFFFF	#000000	##000000
##518418	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7900

Deuteranopia (green-blind)

#837524

Tritanopia (blue-blind)

#527E70

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #518418;
/* rgb */ color: rgb(81, 132, 24);
/* oklch */ color: oklch(55.6% 0.145 132.4);

Tailwind

colors: {
  custom: {
    50: '#87a85f',
    500: '#518418',
    950: '#000000',
  },
}

SCSS

$custom: #518418;
$custom-light: #87a85f;
$custom-dark: #000000;

JSON

{
  "hex": "#518418",
  "rgb": {
    "r": 81,
    "g": 132,
    "b": 24
  },
  "hsl": {
    "h": 88.333,
    "s": 69.231,
    "l": 30.588
  },
  "oklch": {
    "l": 0.55638,
    "c": 0.14451,
    "h": 132.4
  },
  "luminance": 0.18318
}

Semantic roles & 50–950 ramp

primary

#518418

secondary

#7940B8

accent

#3CEC8F

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #518418

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

Preview Lab → · Contrast checker → · Palette generator →