#517F1F#517F1F

#517F1F is a mid, vivid yellow-green. Relative luminance 0.170; OKLCH L 54.4% C 0.134 H 132.0°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#517F1F
RGB	rgb(81, 127, 31)
HSL	hsl(89, 61%, 31%)
HSV	hsv(89, 76%, 50%)
CMYK	cmyk(36.2%, 0%, 75.6%, 50.2%)
CIE-LAB	lab(48.29, -31.78, 44.42)
CIE-LCH	lch(48.29, 54.61, 125.58°)
OKLab	oklab(54.36% -0.0897 0.0996)
OKLCH	oklch(54.36% 0.134 132)
XYZ	xyz(11.2299, 17.0266, 3.9908)
Luminance	0.1703 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517F1F #4D1F7F

analogous

#7F7D1F #517F1F #217F1F

triadic

#517F1F #1F517F #7F1F51

tetradic

#517F1F #1F7F7D #4D1F7F #7F1F21

square

#517F1F #1F7F7D #4D1F7F #7F1F21

split-complementary

#517F1F #1F217F #7D1F7F

monochromatic

#121D07 #324E13 #517F1F #70B02B #8FD246

Accessibility & contrast

On white

4.77

#517F1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#517F1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #517F1F

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517F1F	#FFFFFF	#000000	##FFFFFF
##517F1F	1.00	4.77	4.41	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#85750D

Deuteranopia (green-blind)

#7E7128

Tritanopia (blue-blind)

#527A6C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #517f1f;
/* rgb */ color: rgb(81, 127, 31);
/* oklch */ color: oklch(54.4% 0.134 132.0);

Tailwind

colors: {
  custom: {
    50: '#86a462',
    500: '#517f1f',
    950: '#000000',
  },
}

SCSS

$custom: #517f1f;
$custom-light: #86a462;
$custom-dark: #000000;

JSON

{
  "hex": "#517f1f",
  "rgb": {
    "r": 81,
    "g": 127,
    "b": 31
  },
  "hsl": {
    "h": 88.75,
    "s": 60.759,
    "l": 30.98
  },
  "oklch": {
    "l": 0.54356,
    "c": 0.13402,
    "h": 132
  },
  "luminance": 0.17027
}

Semantic roles & 50–950 ramp

primary

#517F1F

secondary

#7B48B2

accent

#44E491

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0B0F05

muted

#7C7F7A

Preview Lab

Preview with #517F1F

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

Preview Lab → · Contrast checker → · Palette generator →