#517C18#517C18

#517C18 is a mid, vivid yellow-green. Relative luminance 0.162; OKLCH L 53.5% C 0.134 H 130.8°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#517C18
RGB	rgb(81, 124, 24)
HSL	hsl(86, 68%, 29%)
HSV	hsv(86, 81%, 49%)
CMYK	cmyk(34.7%, 0%, 80.6%, 51.4%)
CIE-LAB	lab(47.28, -30.82, 45.93)
CIE-LCH	lch(47.28, 55.31, 123.86°)
OKLab	oklab(53.51% -0.0876 0.1016)
OKLCH	oklch(53.51% 0.134 130.8)
XYZ	xyz(10.7658, 16.2302, 3.4295)
Luminance	0.1623 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517C18 #43187C

analogous

#7C7518 #517C18 #1F7C18

triadic

#517C18 #18517C #7C1851

tetradic

#517C18 #187C75 #43187C #7C181F

square

#517C18 #187C75 #43187C #7C181F

split-complementary

#517C18 #181F7C #75187C

monochromatic

#111A05 #30490E #517C18 #72AF22 #93D836

Accessibility & contrast

On white

4.95

#517C18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#517C18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #517C18

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517C18	#FFFFFF	#000000	##FFFFFF
##517C18	1.00	4.95	4.25	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827200

Deuteranopia (green-blind)

#7C6F23

Tritanopia (blue-blind)

#537669

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #517c18;
/* rgb */ color: rgb(81, 124, 24);
/* oklch */ color: oklch(53.5% 0.134 130.8);

Tailwind

colors: {
  custom: {
    50: '#86a25e',
    500: '#517c18',
    950: '#000000',
  },
}

SCSS

$custom: #517c18;
$custom-light: #86a25e;
$custom-dark: #000000;

JSON

{
  "hex": "#517c18",
  "rgb": {
    "r": 81,
    "g": 124,
    "b": 24
  },
  "hsl": {
    "h": 85.8,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.53512,
    "c": 0.13417,
    "h": 130.8
  },
  "luminance": 0.16231
}

Semantic roles & 50–950 ramp

primary

#517C18

secondary

#703FB1

accent

#3DEA88

background

#F8FAF5

surface

#F0F3E9

border

#CBCDC5

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #517C18

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

Preview Lab → · Contrast checker → · Palette generator →