#517D1B#517D1B

#517D1B is a mid, vivid yellow-green. Relative luminance 0.165; OKLCH L 53.8% C 0.134 H 131.2°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#517D1B
RGB	rgb(81, 125, 27)
HSL	hsl(87, 64%, 30%)
HSV	hsv(87, 78%, 49%)
CMYK	cmyk(35.2%, 0%, 78.4%, 51%)
CIE-LAB	lab(47.62, -31.11, 45.23)
CIE-LCH	lch(47.62, 54.89, 124.52°)
OKLab	oklab(53.8% -0.0882 0.1006)
OKLCH	oklch(53.8% 0.134 131.2)
XYZ	xyz(10.9247, 16.4953, 3.6450)
Luminance	0.1650 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517D1B #471B7D

analogous

#7D781B #517D1B #207D1B

triadic

#517D1B #1B517D #7D1B51

tetradic

#517D1B #1B7D78 #471B7D #7D1B20

square

#517D1B #1B7D78 #471B7D #7D1B20

split-complementary

#517D1B #1B207D #781B7D

monochromatic

#101905 #304B10 #517D1B #72AF26 #91D53D

Accessibility & contrast

On white

4.88

#517D1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#517D1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #517D1B

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517D1B	#FFFFFF	#000000	##FFFFFF
##517D1B	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837304

Deuteranopia (green-blind)

#7D7025

Tritanopia (blue-blind)

#53776A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #517d1b;
/* rgb */ color: rgb(81, 125, 27);
/* oklch */ color: oklch(53.8% 0.134 131.2);

Tailwind

colors: {
  custom: {
    50: '#86a360',
    500: '#517d1b',
    950: '#000000',
  },
}

SCSS

$custom: #517d1b;
$custom-light: #86a360;
$custom-dark: #000000;

JSON

{
  "hex": "#517d1b",
  "rgb": {
    "r": 81,
    "g": 125,
    "b": 27
  },
  "hsl": {
    "h": 86.939,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.53797,
    "c": 0.1338,
    "h": 131.2
  },
  "luminance": 0.16496
}

Semantic roles & 50–950 ramp

primary

#517D1B

secondary

#7443B1

accent

#40E78B

background

#F8FAF5

surface

#F0F3EA

border

#CBCDC6

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #517D1B

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

Preview Lab → · Contrast checker → · Palette generator →