#518F17#518F17

#518F17 is a mid, vivid yellow-green. Relative luminance 0.215; OKLCH L 58.6% C 0.159 H 134.1°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#518F17
RGB	rgb(81, 143, 23)
HSL	hsl(91, 72%, 33%)
HSV	hsv(91, 84%, 56%)
CMYK	cmyk(43.4%, 0%, 83.9%, 43.9%)
CIE-LAB	lab(53.44, -39.29, 51.90)
CIE-LCH	lch(53.44, 65.10, 127.13°)
OKLab	oklab(58.56% -0.1105 0.114)
OKLCH	oklch(58.56% 0.159 134.1)
XYZ	xyz(13.3702, 21.4554, 4.2473)
Luminance	0.2146 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518F17 #55178F

analogous

#8D8F17 #518F17 #178F19

triadic

#518F17 #17518F #8F1751

tetradic

#518F17 #178D8F #55178F #8F1917

square

#518F17 #178D8F #55178F #8F1917

split-complementary

#518F17 #19178F #8F178D

monochromatic

#152606 #335A0F #518F17 #6FC41F #8EE040

Accessibility & contrast

On white

3.97

#518F17 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#518F17 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518F17

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518F17	#FFFFFF	#000000	##000000
##518F17	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958300

Deuteranopia (green-blind)

#8D7E26

Tritanopia (blue-blind)

#508979

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #518f17;
/* rgb */ color: rgb(81, 143, 23);
/* oklch */ color: oklch(58.6% 0.159 134.1);

Tailwind

colors: {
  custom: {
    50: '#88b061',
    500: '#518f17',
    950: '#000000',
  },
}

SCSS

$custom: #518f17;
$custom-light: #88b061;
$custom-dark: #000000;

JSON

{
  "hex": "#518f17",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 23
  },
  "hsl": {
    "h": 91,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.58557,
    "c": 0.15878,
    "h": 134.1
  },
  "luminance": 0.21456
}

Semantic roles & 50–950 ramp

primary

#518F17

secondary

#8341C1

accent

#39EF97

background

#F8FAF6

surface

#F0F5EB

border

#CBCFC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #518F17

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

Preview Lab → · Contrast checker → · Palette generator →