#518B1D#518B1D

#518B1D is a mid, vivid yellow-green. Relative luminance 0.203; OKLCH L 57.5% C 0.151 H 133.9°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#518B1D
RGB	rgb(81, 139, 29)
HSL	hsl(92, 65%, 33%)
HSV	hsv(92, 79%, 55%)
CMYK	cmyk(41.7%, 0%, 79.1%, 45.5%)
CIE-LAB	lab(52.18, -37.27, 48.89)
CIE-LCH	lch(52.18, 61.48, 127.31°)
OKLab	oklab(57.53% -0.1047 0.1086)
OKLCH	oklch(57.53% 0.151 133.9)
XYZ	xyz(12.8475, 20.3026, 4.4040)
Luminance	0.2030 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518B1D #571D8B

analogous

#888B1D #518B1D #1D8B20

triadic

#518B1D #1D518B #8B1D51

tetradic

#518B1D #1D888B #571D8B #8B201D

square

#518B1D #1D888B #571D8B #8B201D

split-complementary

#518B1D #201D8B #8B1D88

monochromatic

#162608 #335812 #518B1D #6FBE28 #8DD949

Accessibility & contrast

On white

4.15

#518B1D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#518B1D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518B1D

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518B1D	#FFFFFF	#000000	##000000
##518B1D	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#917F01

Deuteranopia (green-blind)

#897B29

Tritanopia (blue-blind)

#518576

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #518b1d;
/* rgb */ color: rgb(81, 139, 29);
/* oklch */ color: oklch(57.5% 0.151 133.9);

Tailwind

colors: {
  custom: {
    50: '#87ad62',
    500: '#518b1d',
    950: '#000000',
  },
}

SCSS

$custom: #518b1d;
$custom-light: #87ad62;
$custom-dark: #000000;

JSON

{
  "hex": "#518b1d",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 29
  },
  "hsl": {
    "h": 91.636,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.57528,
    "c": 0.15086,
    "h": 133.9
  },
  "luminance": 0.20303
}

Semantic roles & 50–950 ramp

primary

#518B1D

secondary

#8549BB

accent

#3FE899

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #518B1D

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

Preview Lab → · Contrast checker → · Palette generator →