#519F18#519F18

#519F18 is a light, vivid yellow-green. Relative luminance 0.266; OKLCH L 62.8% C 0.178 H 136.0°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#519F18
RGB	rgb(81, 159, 24)
HSL	hsl(95, 74%, 36%)
HSV	hsv(95, 85%, 62%)
CMYK	cmyk(49.1%, 0%, 84.9%, 37.6%)
CIE-LAB	lab(58.61, -45.78, 56.27)
CIE-LCH	lch(58.61, 72.54, 129.13°)
OKLab	oklab(62.8% -0.1278 0.1234)
OKLCH	oklch(62.8% 0.178 136)
XYZ	xyz(15.9559, 26.6105, 5.1595)
Luminance	0.2661 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519F18 #66189F

analogous

#949F18 #519F18 #189F23

triadic

#519F18 #18519F #9F1851

tetradic

#519F18 #18949F #66189F #9F2318

square

#519F18 #18949F #66189F #9F2318

split-complementary

#519F18 #23189F #9F1894

monochromatic

#1B3508 #366A10 #519F18 #6CD420 #8DE44D

Accessibility & contrast

On white

3.32

#519F18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#519F18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #519F18

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519F18	#FFFFFF	#000000	##000000
##519F18	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#9B8B2A

Tritanopia (blue-blind)

#4D9987

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #519f18;
/* rgb */ color: rgb(81, 159, 24);
/* oklch */ color: oklch(62.8% 0.178 136.0);

Tailwind

colors: {
  custom: {
    50: '#8abc63',
    500: '#519f18',
    950: '#000000',
  },
}

SCSS

$custom: #519f18;
$custom-light: #8abc63;
$custom-dark: #000000;

JSON

{
  "hex": "#519f18",
  "rgb": {
    "r": 81,
    "g": 159,
    "b": 24
  },
  "hsl": {
    "h": 94.667,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.62803,
    "c": 0.17766,
    "h": 136
  },
  "luminance": 0.26612
}

Semantic roles & 50–950 ramp

primary

#519F18

secondary

#934DC6

accent

#37F0A2

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0D1206

muted

#7D817A

Preview Lab

Preview with #519F18

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

Preview Lab → · Contrast checker → · Palette generator →