#517E18#517E18

#517E18 is a mid, vivid yellow-green. Relative luminance 0.167; OKLCH L 54.0% C 0.137 H 131.2°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#517E18
RGB	rgb(81, 126, 24)
HSL	hsl(86, 68%, 29%)
HSV	hsv(86, 81%, 49%)
CMYK	cmyk(35.7%, 0%, 81%, 50.6%)
CIE-LAB	lab(47.93, -31.74, 46.54)
CIE-LCH	lch(47.93, 56.34, 124.29°)
OKLab	oklab(54.04% -0.0901 0.1029)
OKLCH	oklch(54.04% 0.137 131.2)
XYZ	xyz(11.0190, 16.7366, 3.5139)
Luminance	0.1674 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517E18 #45187E

analogous

#7E7818 #517E18 #1E7E18

triadic

#517E18 #18517E #7E1851

tetradic

#517E18 #187E78 #45187E #7E181E

square

#517E18 #187E78 #45187E #7E181E

split-complementary

#517E18 #181E7E #78187E

monochromatic

#111A05 #304B0E #517E18 #72B122 #92D937

Accessibility & contrast

On white

4.83

#517E18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#517E18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #517E18

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517E18	#FFFFFF	#000000	##FFFFFF
##517E18	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847400

Deuteranopia (green-blind)

#7E7123

Tritanopia (blue-blind)

#53786B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #517e18;
/* rgb */ color: rgb(81, 126, 24);
/* oklch */ color: oklch(54.0% 0.137 131.2);

Tailwind

colors: {
  custom: {
    50: '#86a35e',
    500: '#517e18',
    950: '#000000',
  },
}

SCSS

$custom: #517e18;
$custom-light: #86a35e;
$custom-dark: #000000;

JSON

{
  "hex": "#517e18",
  "rgb": {
    "r": 81,
    "g": 126,
    "b": 24
  },
  "hsl": {
    "h": 86.471,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.54043,
    "c": 0.13678,
    "h": 131.2
  },
  "luminance": 0.16737
}

Semantic roles & 50–950 ramp

primary

#517E18

secondary

#723FB2

accent

#3DEB8A

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #517E18

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

Preview Lab → · Contrast checker → · Palette generator →