#518310#518310

#518310 is a mid, vivid yellow-green. Relative luminance 0.180; OKLCH L 55.3% C 0.147 H 131.8°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#518310
RGB	rgb(81, 131, 16)
HSL	hsl(86, 78%, 29%)
HSV	hsv(86, 88%, 51%)
CMYK	cmyk(38.2%, 0%, 87.8%, 48.6%)
CIE-LAB	lab(49.52, -34.37, 50.25)
CIE-LCH	lch(49.52, 60.88, 124.37°)
OKLab	oklab(55.33% -0.0977 0.1095)
OKLCH	oklch(55.33% 0.147 131.8)
XYZ	xyz(11.6031, 18.0188, 3.3567)
Luminance	0.1802 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518310 #421083

analogous

#837C10 #518310 #188310

triadic

#518310 #105183 #831051

tetradic

#518310 #10837C #421083 #831018

square

#518310 #10837C #421083 #831018

split-complementary

#518310 #101883 #7C1083

monochromatic

#111B03 #2F4C09 #518310 #73BA17 #93E529

Accessibility & contrast

On white

4.56

#518310 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#518310 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518310

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518310	#FFFFFF	#000000	##000000
##518310	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#897800

Deuteranopia (green-blind)

#82741F

Tritanopia (blue-blind)

#527D6F

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #518310;
/* rgb */ color: rgb(81, 131, 16);
/* oklch */ color: oklch(55.3% 0.147 131.8);

Tailwind

colors: {
  custom: {
    50: '#87a75c',
    500: '#518310',
    950: '#000000',
  },
}

SCSS

$custom: #518310;
$custom-light: #87a75c;
$custom-dark: #000000;

JSON

{
  "hex": "#518310",
  "rgb": {
    "r": 81,
    "g": 131,
    "b": 16
  },
  "hsl": {
    "h": 86.087,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.55333,
    "c": 0.14672,
    "h": 131.8
  },
  "luminance": 0.18019
}

Semantic roles & 50–950 ramp

primary

#518310

secondary

#6F36B9

accent

#33F587

background

#F8FAF5

surface

#F0F4E9

border

#CBCEC5

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #518310

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

Preview Lab → · Contrast checker → · Palette generator →