#519E18#519E18

#519E18 is a light, vivid yellow-green. Relative luminance 0.263; OKLCH L 62.5% C 0.176 H 135.9°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#519E18
RGB	rgb(81, 158, 24)
HSL	hsl(94, 74%, 36%)
HSV	hsv(94, 85%, 62%)
CMYK	cmyk(48.7%, 0%, 84.8%, 38%)
CIE-LAB	lab(58.29, -45.38, 55.98)
CIE-LCH	lch(58.29, 72.07, 129.03°)
OKLab	oklab(62.54% -0.1268 0.1228)
OKLCH	oklch(62.54% 0.176 135.9)
XYZ	xyz(15.7847, 26.2679, 5.1024)
Luminance	0.2627 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519E18 #65189E

analogous

#949E18 #519E18 #189E22

triadic

#519E18 #18519E #9E1851

tetradic

#519E18 #18949E #65189E #9E2218

square

#519E18 #18949E #65189E #9E2218

split-complementary

#519E18 #22189E #9E1894

monochromatic

#1B3408 #366910 #519E18 #6CD320 #8DE44D

Accessibility & contrast

On white

3.36

#519E18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#519E18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #519E18

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519E18	#FFFFFF	#000000	##000000
##519E18	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49000

Deuteranopia (green-blind)

#9A8A29

Tritanopia (blue-blind)

#4E9886

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #519e18;
/* rgb */ color: rgb(81, 158, 24);
/* oklch */ color: oklch(62.5% 0.176 135.9);

Tailwind

colors: {
  custom: {
    50: '#8abb63',
    500: '#519e18',
    950: '#000000',
  },
}

SCSS

$custom: #519e18;
$custom-light: #8abb63;
$custom-dark: #000000;

JSON

{
  "hex": "#519e18",
  "rgb": {
    "r": 81,
    "g": 158,
    "b": 24
  },
  "hsl": {
    "h": 94.478,
    "s": 73.626,
    "l": 35.686
  },
  "oklch": {
    "l": 0.62539,
    "c": 0.17647,
    "h": 135.9
  },
  "luminance": 0.26269
}

Semantic roles & 50–950 ramp

primary

#519E18

secondary

#924CC6

accent

#38F0A2

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0D1206

muted

#7D817A

Preview Lab

Preview with #519E18

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

Preview Lab → · Contrast checker → · Palette generator →