#518C16#518C16

#518C16 is a mid, vivid yellow-green. Relative luminance 0.206; OKLCH L 57.8% C 0.155 H 133.6°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#518C16
RGB	rgb(81, 140, 22)
HSL	hsl(90, 73%, 32%)
HSV	hsv(90, 84%, 55%)
CMYK	cmyk(42.1%, 0%, 84.3%, 45.1%)
CIE-LAB	lab(52.47, -38.06, 51.30)
CIE-LCH	lch(52.47, 63.88, 126.57°)
OKLab	oklab(57.76% -0.1073 0.1126)
OKLCH	oklch(57.76% 0.156 133.6)
XYZ	xyz(12.9160, 20.5628, 4.0473)
Luminance	0.2056 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518C16 #51168C

analogous

#8C8C16 #518C16 #168C16

triadic

#518C16 #16518C #8C1651

tetradic

#518C16 #168C8C #51168C #8C1616

square

#518C16 #168C8C #51168C #8C1616

split-complementary

#518C16 #16168C #8C168C

monochromatic

#142205 #32570E #518C16 #70C11E #8EE03C

Accessibility & contrast

On white

4.11

#518C16 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#518C16 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518C16

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518C16	#FFFFFF	#000000	##000000
##518C16	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928000

Deuteranopia (green-blind)

#8A7B24

Tritanopia (blue-blind)

#518677

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #518c16;
/* rgb */ color: rgb(81, 140, 22);
/* oklch */ color: oklch(57.8% 0.155 133.6);

Tailwind

colors: {
  custom: {
    50: '#88ae60',
    500: '#518c16',
    950: '#000000',
  },
}

SCSS

$custom: #518c16;
$custom-light: #88ae60;
$custom-dark: #000000;

JSON

{
  "hex": "#518c16",
  "rgb": {
    "r": 81,
    "g": 140,
    "b": 22
  },
  "hsl": {
    "h": 90,
    "s": 72.84,
    "l": 31.765
  },
  "oklch": {
    "l": 0.57755,
    "c": 0.1555,
    "h": 133.6
  },
  "luminance": 0.20563
}

Semantic roles & 50–950 ramp

primary

#518C16

secondary

#7F3EC0

accent

#38F094

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C1005

muted

#7D7F79

Preview Lab

Preview with #518C16

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

Preview Lab → · Contrast checker → · Palette generator →