#51611B#51611B

#51611B is a mid, moderate yellow-green. Relative luminance 0.104; OKLCH L 46.4% C 0.096 H 121.4°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#51611B
RGB	rgb(81, 97, 27)
HSL	hsl(74, 56%, 24%)
HSV	hsv(74, 72%, 38%)
CMYK	cmyk(16.5%, 0%, 72.2%, 62%)
CIE-LAB	lab(38.51, -17.07, 36.21)
CIE-LCH	lch(38.51, 40.03, 115.25°)
OKLab	oklab(46.41% -0.0498 0.0817)
OKLCH	oklch(46.41% 0.096 121.4)
XYZ	xyz(7.8660, 10.3779, 2.6254)
Luminance	0.1038 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51611B #2B1B61

analogous

#614E1B #51611B #2E611B

triadic

#51611B #1B5161 #611B51

tetradic

#51611B #1B614E #2B1B61 #611B2E

square

#51611B #1B614E #2B1B61 #611B2E

split-complementary

#51611B #1B2E61 #4E1B61

monochromatic

#141807 #29310E #51611B #799128 #A1C136

Accessibility & contrast

On white

6.83

#51611B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#51611B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51611B

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51611B	#FFFFFF	#000000	##FFFFFF
##51611B	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675B11

Deuteranopia (green-blind)

#655B20

Tritanopia (blue-blind)

#565C53

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #51611b;
/* rgb */ color: rgb(81, 97, 27);
/* oklch */ color: oklch(46.4% 0.096 121.4);

Tailwind

colors: {
  custom: {
    50: '#848e5c',
    500: '#51611b',
    950: '#000000',
  },
}

SCSS

$custom: #51611b;
$custom-light: #848e5c;
$custom-dark: #000000;

JSON

{
  "hex": "#51611b",
  "rgb": {
    "r": 81,
    "g": 97,
    "b": 27
  },
  "hsl": {
    "h": 73.714,
    "s": 56.452,
    "l": 24.314
  },
  "oklch": {
    "l": 0.46409,
    "c": 0.09569,
    "h": 121.4
  },
  "luminance": 0.10378
}

Semantic roles & 50–950 ramp

primary

#51611B

secondary

#554197

accent

#48E06B

background

#F8F8F5

surface

#EFF0E9

border

#CACBC5

text

#0B0C04

muted

#7C7D79

Preview Lab

Preview with #51611B

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

Preview Lab → · Contrast checker → · Palette generator →