#517F1B#517F1B

#517F1B is a mid, vivid yellow-green. Relative luminance 0.170; OKLCH L 54.3% C 0.136 H 131.7°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#517F1B
RGB	rgb(81, 127, 27)
HSL	hsl(88, 65%, 30%)
HSV	hsv(88, 79%, 50%)
CMYK	cmyk(36.2%, 0%, 78.7%, 50.2%)
CIE-LAB	lab(48.27, -32.03, 45.85)
CIE-LCH	lch(48.27, 55.93, 124.94°)
OKLab	oklab(54.33% -0.0907 0.1019)
OKLCH	oklch(54.33% 0.136 131.7)
XYZ	xyz(11.1804, 17.0068, 3.7302)
Luminance	0.1701 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517F1B #491B7F

analogous

#7F7B1B #517F1B #1F7F1B

triadic

#517F1B #1B517F #7F1B51

tetradic

#517F1B #1B7F7B #491B7F #7F1B1F

square

#517F1B #1B7F7B #491B7F #7F1B1F

split-complementary

#517F1B #1B1F7F #7B1B7F

monochromatic

#111A06 #314D10 #517F1B #71B126 #90D63E

Accessibility & contrast

On white

4.77

#517F1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#517F1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #517F1B

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517F1B	#FFFFFF	#000000	##FFFFFF
##517F1B	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857503

Deuteranopia (green-blind)

#7E7125

Tritanopia (blue-blind)

#52796C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #517f1b;
/* rgb */ color: rgb(81, 127, 27);
/* oklch */ color: oklch(54.3% 0.136 131.7);

Tailwind

colors: {
  custom: {
    50: '#86a460',
    500: '#517f1b',
    950: '#000000',
  },
}

SCSS

$custom: #517f1b;
$custom-light: #86a460;
$custom-dark: #000000;

JSON

{
  "hex": "#517f1b",
  "rgb": {
    "r": 81,
    "g": 127,
    "b": 27
  },
  "hsl": {
    "h": 87.6,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.54328,
    "c": 0.13644,
    "h": 131.7
  },
  "luminance": 0.17007
}

Semantic roles & 50–950 ramp

primary

#517F1B

secondary

#7643B3

accent

#40E88D

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #517F1B

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

Preview Lab → · Contrast checker → · Palette generator →