#51681D#51681D

#51681D is a mid, moderate yellow-green. Relative luminance 0.117; OKLCH L 48.3% C 0.104 H 124.9°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#51681D
RGB	rgb(81, 104, 29)
HSL	hsl(78, 56%, 26%)
HSV	hsv(78, 72%, 41%)
CMYK	cmyk(22.1%, 0%, 72.1%, 59.2%)
CIE-LAB	lab(40.80, -20.65, 37.68)
CIE-LCH	lch(40.80, 42.96, 118.72°)
OKLab	oklab(48.26% -0.0595 0.0851)
OKLCH	oklch(48.26% 0.104 124.9)
XYZ	xyz(8.5655, 11.7386, 2.9767)
Luminance	0.1174 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51681D #341D68

analogous

#68591D #51681D #2B681D

triadic

#51681D #1D5168 #681D51

tetradic

#51681D #1D6859 #341D68 #681D2B

square

#51681D #1D6859 #341D68 #681D2B

split-complementary

#51681D #1D2B68 #591D68

monochromatic

#131807 #2C3810 #51681D #76982A #9BC738

Accessibility & contrast

On white

6.27

#51681D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#51681D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51681D

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51681D	#FFFFFF	#000000	##FFFFFF
##51681D	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)

#6E6112

Deuteranopia (green-blind)

#6B6023

Tritanopia (blue-blind)

#556359

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #51681d;
/* rgb */ color: rgb(81, 104, 29);
/* oklch */ color: oklch(48.3% 0.104 124.9);

Tailwind

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

SCSS

$custom: #51681d;
$custom-light: #84935e;
$custom-dark: #000000;

JSON

{
  "hex": "#51681d",
  "rgb": {
    "r": 81,
    "g": 104,
    "b": 29
  },
  "hsl": {
    "h": 78.4,
    "s": 56.391,
    "l": 26.078
  },
  "oklch": {
    "l": 0.48259,
    "c": 0.10384,
    "h": 124.9
  },
  "luminance": 0.11739
}

Semantic roles & 50–950 ramp

primary

#51681D

secondary

#5F449D

accent

#48E077

background

#F8F9F5

surface

#EFF1E9

border

#CACBC5

text

#0B0D04

muted

#7C7E79

Preview Lab

Preview with #51681D

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

Preview Lab → · Contrast checker → · Palette generator →