#51681E#51681E

#51681E is a mid, moderate yellow-green. Relative luminance 0.117; OKLCH L 48.3% C 0.103 H 125.0°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#51681E
RGB	rgb(81, 104, 30)
HSL	hsl(79, 55%, 26%)
HSV	hsv(79, 71%, 41%)
CMYK	cmyk(22.1%, 0%, 71.2%, 59.2%)
CIE-LAB	lab(40.81, -20.57, 37.25)
CIE-LCH	lch(40.81, 42.55, 118.91°)
OKLab	oklab(48.27% -0.0592 0.0844)
OKLCH	oklch(48.27% 0.103 125)
XYZ	xyz(8.5780, 11.7436, 3.0429)
Luminance	0.1174 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51681E #351E68

analogous

#685A1E #51681E #2C681E

triadic

#51681E #1E5168 #681E51

tetradic

#51681E #1E685A #351E68 #681E2C

square

#51681E #1E685A #351E68 #681E2C

split-complementary

#51681E #1E2C68 #5A1E68

monochromatic

#121807 #2C3910 #51681E #76982C #9BC63A

Accessibility & contrast

On white

6.27

#51681E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#51681E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51681E

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

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

#6E6113

Deuteranopia (green-blind)

#6B6024

Tritanopia (blue-blind)

#556359

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #51681e;
/* rgb */ color: rgb(81, 104, 30);
/* oklch */ color: oklch(48.3% 0.103 125.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#51681e",
  "rgb": {
    "r": 81,
    "g": 104,
    "b": 30
  },
  "hsl": {
    "h": 78.649,
    "s": 55.224,
    "l": 26.275
  },
  "oklch": {
    "l": 0.48269,
    "c": 0.10306,
    "h": 125
  },
  "luminance": 0.11744
}

Semantic roles & 50–950 ramp

primary

#51681E

secondary

#60459D

accent

#49DF78

background

#F8F9F5

surface

#EFF1E9

border

#CACBC5

text

#0B0D05

muted

#7C7E79

Preview Lab

Preview with #51681E

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

Preview Lab → · Contrast checker → · Palette generator →