#517E1B#517E1B

#517E1B is a mid, vivid yellow-green. Relative luminance 0.168; OKLCH L 54.1% C 0.135 H 131.5°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#517E1B
RGB	rgb(81, 126, 27)
HSL	hsl(87, 65%, 30%)
HSV	hsv(87, 79%, 49%)
CMYK	cmyk(35.7%, 0%, 78.6%, 50.6%)
CIE-LAB	lab(47.94, -31.57, 45.54)
CIE-LCH	lch(47.94, 55.41, 124.73°)
OKLab	oklab(54.06% -0.0895 0.1013)
OKLCH	oklch(54.06% 0.135 131.5)
XYZ	xyz(11.0519, 16.7497, 3.6874)
Luminance	0.1675 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517E1B #481B7E

analogous

#7E7A1B #517E1B #1F7E1B

triadic

#517E1B #1B517E #7E1B51

tetradic

#517E1B #1B7E7A #481B7E #7E1B1F

square

#517E1B #1B7E7A #481B7E #7E1B1F

split-complementary

#517E1B #1B1F7E #7A1B7E

monochromatic

#101905 #314C10 #517E1B #71B026 #91D63E

Accessibility & contrast

On white

4.83

#517E1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#517E1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #517E1B

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517E1B	#FFFFFF	#000000	##FFFFFF
##517E1B	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)

#847404

Deuteranopia (green-blind)

#7E7125

Tritanopia (blue-blind)

#52786B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #517e1b;
/* rgb */ color: rgb(81, 126, 27);
/* oklch */ color: oklch(54.1% 0.135 131.5);

Tailwind

colors: {
  custom: {
    50: '#86a360',
    500: '#517e1b',
    950: '#000000',
  },
}

SCSS

$custom: #517e1b;
$custom-light: #86a360;
$custom-dark: #000000;

JSON

{
  "hex": "#517e1b",
  "rgb": {
    "r": 81,
    "g": 126,
    "b": 27
  },
  "hsl": {
    "h": 87.273,
    "s": 64.706,
    "l": 30
  },
  "oklch": {
    "l": 0.54062,
    "c": 0.13512,
    "h": 131.5
  },
  "luminance": 0.1675
}

Semantic roles & 50–950 ramp

primary

#517E1B

secondary

#7543B2

accent

#40E88C

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #517E1B

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

Preview Lab → · Contrast checker → · Palette generator →