#519B18#519B18

#519B18 is a mid, vivid yellow-green. Relative luminance 0.253; OKLCH L 61.7% C 0.173 H 135.6°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#519B18
RGB	rgb(81, 155, 24)
HSL	hsl(94, 73%, 35%)
HSV	hsv(94, 85%, 61%)
CMYK	cmyk(47.7%, 0%, 84.5%, 39.2%)
CIE-LAB	lab(57.33, -44.19, 55.12)
CIE-LCH	lch(57.33, 70.64, 128.72°)
OKLab	oklab(61.75% -0.1236 0.1209)
OKLCH	oklch(61.75% 0.173 135.6)
XYZ	xyz(15.2792, 25.2570, 4.9340)
Luminance	0.2526 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519B18 #62189B

analogous

#929B18 #519B18 #189B20

triadic

#519B18 #18519B #9B1851

tetradic

#519B18 #18929B #62189B #9B2018

square

#519B18 #18929B #62189B #9B2018

split-complementary

#519B18 #20189B #9B1892

monochromatic

#1A3108 #356610 #519B18 #6DD020 #8DE34A

Accessibility & contrast

On white

3.47

#519B18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#519B18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #519B18

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519B18	#FFFFFF	#000000	##000000
##519B18	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A18D00

Deuteranopia (green-blind)

#978729

Tritanopia (blue-blind)

#4E9584

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #519b18;
/* rgb */ color: rgb(81, 155, 24);
/* oklch */ color: oklch(61.7% 0.173 135.6);

Tailwind

colors: {
  custom: {
    50: '#89b963',
    500: '#519b18',
    950: '#000000',
  },
}

SCSS

$custom: #519b18;
$custom-light: #89b963;
$custom-dark: #000000;

JSON

{
  "hex": "#519b18",
  "rgb": {
    "r": 81,
    "g": 155,
    "b": 24
  },
  "hsl": {
    "h": 93.893,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.61745,
    "c": 0.17291,
    "h": 135.6
  },
  "luminance": 0.25258
}

Semantic roles & 50–950 ramp

primary

#519B18

secondary

#8F4AC5

accent

#38F0A0

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #519B18

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

Preview Lab → · Contrast checker → · Palette generator →