#518E17#518E17

#518E17 is a mid, vivid yellow-green. Relative luminance 0.212; OKLCH L 58.3% C 0.158 H 134.0°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#518E17
RGB	rgb(81, 142, 23)
HSL	hsl(91, 72%, 32%)
HSV	hsv(91, 84%, 56%)
CMYK	cmyk(43%, 0%, 83.8%, 44.3%)
CIE-LAB	lab(53.12, -38.87, 51.61)
CIE-LCH	lch(53.12, 64.61, 126.98°)
OKLab	oklab(58.29% -0.1094 0.1134)
OKLCH	oklch(58.29% 0.158 134)
XYZ	xyz(13.2208, 21.1565, 4.1974)
Luminance	0.2116 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518E17 #54178E

analogous

#8D8E17 #518E17 #178E18

triadic

#518E17 #17518E #8E1751

tetradic

#518E17 #178D8E #54178E #8E1817

square

#518E17 #178D8E #54178E #8E1817

split-complementary

#518E17 #18178E #8E178D

monochromatic

#152506 #33590E #518E17 #6FC320 #8EE03F

Accessibility & contrast

On white

4.01

#518E17 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#518E17 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518E17

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518E17	#FFFFFF	#000000	##000000
##518E17	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)

#8C7D26

Tritanopia (blue-blind)

#508879

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #518e17;
/* rgb */ color: rgb(81, 142, 23);
/* oklch */ color: oklch(58.3% 0.158 134.0);

Tailwind

colors: {
  custom: {
    50: '#88af60',
    500: '#518e17',
    950: '#000000',
  },
}

SCSS

$custom: #518e17;
$custom-light: #88af60;
$custom-dark: #000000;

JSON

{
  "hex": "#518e17",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 23
  },
  "hsl": {
    "h": 90.756,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.58291,
    "c": 0.15754,
    "h": 134
  },
  "luminance": 0.21157
}

Semantic roles & 50–950 ramp

primary

#518E17

secondary

#8240C0

accent

#39EF96

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #518E17

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

Preview Lab → · Contrast checker → · Palette generator →