#51631C#51631C

#51631C is a mid, moderate yellow-green. Relative luminance 0.108; OKLCH L 46.9% C 0.098 H 122.5°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#51631C
RGB	rgb(81, 99, 28)
HSL	hsl(75, 56%, 25%)
HSV	hsv(75, 72%, 39%)
CMYK	cmyk(18.2%, 0%, 71.7%, 61.2%)
CIE-LAB	lab(39.17, -18.08, 36.44)
CIE-LCH	lch(39.17, 40.68, 116.39°)
OKLab	oklab(46.94% -0.0525 0.0824)
OKLCH	oklch(46.94% 0.098 122.5)
XYZ	xyz(8.0649, 10.7568, 2.7498)
Luminance	0.1076 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51631C #2E1C63

analogous

#63511C #51631C #2E631C

triadic

#51631C #1C5163 #631C51

tetradic

#51631C #1C6351 #2E1C63 #631C2E

square

#51631C #1C6351 #2E1C63 #631C2E

split-complementary

#51631C #1C2E63 #511C63

monochromatic

#141807 #2A330F #51631C #789329 #9FC237

Accessibility & contrast

On white

6.66

#51631C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#51631C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51631C

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51631C	#FFFFFF	#000000	##FFFFFF
##51631C	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#695D12

Deuteranopia (green-blind)

#675C22

Tritanopia (blue-blind)

#555E55

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #51631c;
/* rgb */ color: rgb(81, 99, 28);
/* oklch */ color: oklch(46.9% 0.098 122.5);

Tailwind

colors: {
  custom: {
    50: '#848f5d',
    500: '#51631c',
    950: '#000000',
  },
}

SCSS

$custom: #51631c;
$custom-light: #848f5d;
$custom-dark: #000000;

JSON

{
  "hex": "#51631c",
  "rgb": {
    "r": 81,
    "g": 99,
    "b": 28
  },
  "hsl": {
    "h": 75.211,
    "s": 55.906,
    "l": 24.902
  },
  "oklch": {
    "l": 0.4694,
    "c": 0.09766,
    "h": 122.5
  },
  "luminance": 0.10757
}

Semantic roles & 50–950 ramp

primary

#51631C

secondary

#584398

accent

#49DF6F

background

#F8F8F5

surface

#EFF0E9

border

#CACBC5

text

#0B0C04

muted

#7C7D79

Preview Lab

Preview with #51631C

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

Preview Lab → · Contrast checker → · Palette generator →