#51681F#51681F

#51681F is a mid, moderate yellow-green. Relative luminance 0.117; OKLCH L 48.3% C 0.102 H 125.1°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#51681F
RGB	rgb(81, 104, 31)
HSL	hsl(79, 54%, 26%)
HSV	hsv(79, 70%, 41%)
CMYK	cmyk(22.1%, 0%, 70.2%, 59.2%)
CIE-LAB	lab(40.81, -20.50, 36.81)
CIE-LCH	lch(40.81, 42.13, 119.11°)
OKLab	oklab(48.28% -0.0589 0.0836)
OKLCH	oklch(48.28% 0.102 125.1)
XYZ	xyz(8.5910, 11.7488, 3.1112)
Luminance	0.1175 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51681F #361F68

analogous

#685B1F #51681F #2D681F

triadic

#51681F #1F5168 #681F51

tetradic

#51681F #1F685B #361F68 #681F2D

square

#51681F #1F685B #361F68 #681F2D

split-complementary

#51681F #1F2D68 #5B1F68

monochromatic

#121807 #2C3911 #51681F #76972D #9AC53C

Accessibility & contrast

On white

6.27

#51681F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#51681F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51681F

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51681F	#FFFFFF	#000000	##FFFFFF
##51681F	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E6115

Deuteranopia (green-blind)

#6B6025

Tritanopia (blue-blind)

#556359

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #51681f;
/* rgb */ color: rgb(81, 104, 31);
/* oklch */ color: oklch(48.3% 0.102 125.1);

Tailwind

colors: {
  custom: {
    50: '#84935f',
    500: '#51681f',
    950: '#000000',
  },
}

SCSS

$custom: #51681f;
$custom-light: #84935f;
$custom-dark: #000000;

JSON

{
  "hex": "#51681f",
  "rgb": {
    "r": 81,
    "g": 104,
    "b": 31
  },
  "hsl": {
    "h": 78.904,
    "s": 54.074,
    "l": 26.471
  },
  "oklch": {
    "l": 0.48278,
    "c": 0.10226,
    "h": 125.1
  },
  "luminance": 0.11749
}

Semantic roles & 50–950 ramp

primary

#51681F

secondary

#62469C

accent

#4ADD79

background

#F8F9F5

surface

#EFF1E9

border

#CACBC5

text

#0B0D05

muted

#7C7E79

Preview Lab

Preview with #51681F

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

Preview Lab → · Contrast checker → · Palette generator →