#519D1B#519D1B

#519D1B is a light, vivid yellow-green. Relative luminance 0.259; OKLCH L 62.3% C 0.174 H 136.0°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#519D1B
RGB	rgb(81, 157, 27)
HSL	hsl(95, 71%, 36%)
HSV	hsv(95, 83%, 62%)
CMYK	cmyk(48.4%, 0%, 82.8%, 38.4%)
CIE-LAB	lab(57.98, -44.85, 54.90)
CIE-LCH	lch(57.98, 70.89, 129.25°)
OKLab	oklab(62.29% -0.1252 0.1209)
OKLCH	oklch(62.29% 0.174 136)
XYZ	xyz(15.6477, 25.9414, 5.2193)
Luminance	0.2594 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519D1B #671B9D

analogous

#929D1B #519D1B #1B9D26

triadic

#519D1B #1B519D #9D1B51

tetradic

#519D1B #1B929D #671B9D #9D261B

square

#519D1B #1B929D #671B9D #9D261B

split-complementary

#519D1B #261B9D #9D1B92

monochromatic

#1B3509 #366912 #519D1B #6CD124 #8DE151

Accessibility & contrast

On white

3.39

#519D1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#519D1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #519D1B

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519D1B	#FFFFFF	#000000	##000000
##519D1B	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A38F00

Deuteranopia (green-blind)

#99892B

Tritanopia (blue-blind)

#4E9786

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #519d1b;
/* rgb */ color: rgb(81, 157, 27);
/* oklch */ color: oklch(62.3% 0.174 136.0);

Tailwind

colors: {
  custom: {
    50: '#8aba64',
    500: '#519d1b',
    950: '#000000',
  },
}

SCSS

$custom: #519d1b;
$custom-light: #8aba64;
$custom-dark: #000000;

JSON

{
  "hex": "#519d1b",
  "rgb": {
    "r": 81,
    "g": 157,
    "b": 27
  },
  "hsl": {
    "h": 95.077,
    "s": 70.652,
    "l": 36.078
  },
  "oklch": {
    "l": 0.62288,
    "c": 0.17406,
    "h": 136
  },
  "luminance": 0.25942
}

Semantic roles & 50–950 ramp

primary

#519D1B

secondary

#9450C4

accent

#3AEDA3

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #519D1B

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

Preview Lab → · Contrast checker → · Palette generator →