#518817#518817

#518817 is a mid, vivid yellow-green. Relative luminance 0.194; OKLCH L 56.7% C 0.150 H 133.0°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#518817
RGB	rgb(81, 136, 23)
HSL	hsl(89, 71%, 31%)
HSV	hsv(89, 83%, 53%)
CMYK	cmyk(40.4%, 0%, 83.1%, 46.7%)
CIE-LAB	lab(51.17, -36.28, 49.85)
CIE-LCH	lch(51.17, 61.65, 126.05°)
OKLab	oklab(56.7% -0.1024 0.1097)
OKLCH	oklch(56.7% 0.15 133)
XYZ	xyz(12.3520, 19.4189, 3.9078)
Luminance	0.1942 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518817 #4E1788

analogous

#888617 #518817 #188817

triadic

#518817 #175188 #881751

tetradic

#518817 #178886 #4E1788 #881718

square

#518817 #178886 #4E1788 #881718

split-complementary

#518817 #171888 #861788

monochromatic

#131F05 #32540E #518817 #70BC20 #8FDE3B

Accessibility & contrast

On white

4.30

#518817 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#518817 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518817

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518817	#FFFFFF	#000000	##000000
##518817	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D00

Deuteranopia (green-blind)

#867824

Tritanopia (blue-blind)

#518274

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #518817;
/* rgb */ color: rgb(81, 136, 23);
/* oklch */ color: oklch(56.7% 0.150 133.0);

Tailwind

colors: {
  custom: {
    50: '#87ab5f',
    500: '#518817',
    950: '#000000',
  },
}

SCSS

$custom: #518817;
$custom-light: #87ab5f;
$custom-dark: #000000;

JSON

{
  "hex": "#518817",
  "rgb": {
    "r": 81,
    "g": 136,
    "b": 23
  },
  "hsl": {
    "h": 89.204,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.56696,
    "c": 0.15006,
    "h": 133
  },
  "luminance": 0.1942
}

Semantic roles & 50–950 ramp

primary

#518817

secondary

#7C3FBC

accent

#3AEE92

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C1005

muted

#7D7F79

Preview Lab

Preview with #518817

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

Preview Lab → · Contrast checker → · Palette generator →