#518B1E#518B1E

#518B1E is a mid, vivid yellow-green. Relative luminance 0.203; OKLCH L 57.5% C 0.150 H 134.0°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#518B1E
RGB	rgb(81, 139, 30)
HSL	hsl(92, 64%, 33%)
HSV	hsv(92, 78%, 55%)
CMYK	cmyk(41.7%, 0%, 78.4%, 45.5%)
CIE-LAB	lab(52.18, -37.21, 48.56)
CIE-LCH	lch(52.18, 61.18, 127.46°)
OKLab	oklab(57.53% -0.1045 0.1081)
OKLCH	oklch(57.53% 0.15 134)
XYZ	xyz(12.8601, 20.3076, 4.4702)
Luminance	0.2031 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518B1E #581E8B

analogous

#878B1E #518B1E #1E8B22

triadic

#518B1E #1E518B #8B1E51

tetradic

#518B1E #1E878B #581E8B #8B221E

square

#518B1E #1E878B #581E8B #8B221E

split-complementary

#518B1E #221E8B #8B1E87

monochromatic

#162608 #345913 #518B1E #6EBD29 #8DD84B

Accessibility & contrast

On white

4.15

#518B1E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#518B1E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518B1E

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518B1E	#FFFFFF	#000000	##000000
##518B1E	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)

#917F03

Deuteranopia (green-blind)

#897B2A

Tritanopia (blue-blind)

#508577

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #518b1e;
/* rgb */ color: rgb(81, 139, 30);
/* oklch */ color: oklch(57.5% 0.150 134.0);

Tailwind

colors: {
  custom: {
    50: '#87ad63',
    500: '#518b1e',
    950: '#000000',
  },
}

SCSS

$custom: #518b1e;
$custom-light: #87ad63;
$custom-dark: #000000;

JSON

{
  "hex": "#518b1e",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 30
  },
  "hsl": {
    "h": 91.927,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.57534,
    "c": 0.15032,
    "h": 134
  },
  "luminance": 0.20308
}

Semantic roles & 50–950 ramp

primary

#518B1E

secondary

#864ABB

accent

#40E799

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #518B1E

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

Preview Lab → · Contrast checker → · Palette generator →