#518E1B#518E1B

#518E1B is a mid, vivid yellow-green. Relative luminance 0.212; OKLCH L 58.3% C 0.156 H 134.2°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#518E1B
RGB	rgb(81, 142, 27)
HSL	hsl(92, 68%, 33%)
HSV	hsv(92, 81%, 56%)
CMYK	cmyk(43%, 0%, 81%, 44.3%)
CIE-LAB	lab(53.14, -38.67, 50.45)
CIE-LCH	lch(53.14, 63.56, 127.47°)
OKLab	oklab(58.31% -0.1086 0.1116)
OKLCH	oklch(58.31% 0.156 134.2)
XYZ	xyz(13.2639, 21.1737, 4.4247)
Luminance	0.2117 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518E1B #581B8E

analogous

#8A8E1B #518E1B #1B8E1E

triadic

#518E1B #1B518E #8E1B51

tetradic

#518E1B #1B8A8E #581B8E #8E1E1B

square

#518E1B #1B8A8E #581B8E #8E1E1B

split-complementary

#518E1B #1E1B8E #8E1B8A

monochromatic

#162707 #345B11 #518E1B #6EC125 #8DDC47

Accessibility & contrast

On white

4.01

#518E1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#518E1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518E1B

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518E1B	#FFFFFF	#000000	##000000
##518E1B	1.00	4.01	5.23	5.23
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948200

Deuteranopia (green-blind)

#8C7D28

Tritanopia (blue-blind)

#508879

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #518e1b;
/* rgb */ color: rgb(81, 142, 27);
/* oklch */ color: oklch(58.3% 0.156 134.2);

Tailwind

colors: {
  custom: {
    50: '#88af62',
    500: '#518e1b',
    950: '#000000',
  },
}

SCSS

$custom: #518e1b;
$custom-light: #88af62;
$custom-dark: #000000;

JSON

{
  "hex": "#518e1b",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 27
  },
  "hsl": {
    "h": 91.826,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.58312,
    "c": 0.15568,
    "h": 134.2
  },
  "luminance": 0.21174
}

Semantic roles & 50–950 ramp

primary

#518E1B

secondary

#8647BE

accent

#3DEB99

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #518E1B

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

Preview Lab → · Contrast checker → · Palette generator →