#517A18#517A18

#517A18 is a mid, vivid yellow-green. Relative luminance 0.157; OKLCH L 53.0% C 0.132 H 130.3°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#517A18
RGB	rgb(81, 122, 24)
HSL	hsl(85, 67%, 29%)
HSV	hsv(85, 80%, 48%)
CMYK	cmyk(33.6%, 0%, 80.3%, 52.2%)
CIE-LAB	lab(46.62, -29.88, 45.32)
CIE-LCH	lch(46.62, 54.29, 123.40°)
OKLab	oklab(52.98% -0.0851 0.1003)
OKLCH	oklch(52.98% 0.132 130.3)
XYZ	xyz(10.5177, 15.7340, 3.3468)
Luminance	0.1573 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517A18 #41187A

analogous

#7A7218 #517A18 #207A18

triadic

#517A18 #18517A #7A1851

tetradic

#517A18 #187A72 #41187A #7A1820

square

#517A18 #187A72 #41187A #7A1820

split-complementary

#517A18 #18207A #72187A

monochromatic

#111A05 #2F470E #517A18 #73AD22 #93D735

Accessibility & contrast

On white

5.06

#517A18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#517A18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #517A18

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517A18	#FFFFFF	#000000	##FFFFFF
##517A18	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807000

Deuteranopia (green-blind)

#7A6D22

Tritanopia (blue-blind)

#537468

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #517a18;
/* rgb */ color: rgb(81, 122, 24);
/* oklch */ color: oklch(53.0% 0.132 130.3);

Tailwind

colors: {
  custom: {
    50: '#86a05e',
    500: '#517a18',
    950: '#000000',
  },
}

SCSS

$custom: #517a18;
$custom-light: #86a05e;
$custom-dark: #000000;

JSON

{
  "hex": "#517a18",
  "rgb": {
    "r": 81,
    "g": 122,
    "b": 24
  },
  "hsl": {
    "h": 85.102,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.5298,
    "c": 0.13156,
    "h": 130.3
  },
  "luminance": 0.15734
}

Semantic roles & 50–950 ramp

primary

#517A18

secondary

#6E3FAF

accent

#3EEA86

background

#F8F9F5

surface

#F0F2E9

border

#CBCCC5

text

#0B0F05

muted

#7C7E79

Preview Lab

Preview with #517A18

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

Preview Lab → · Contrast checker → · Palette generator →