#51661D#51661D

#51661D is a mid, moderate yellow-green. Relative luminance 0.113; OKLCH L 47.7% C 0.101 H 124.1°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#51661D
RGB	rgb(81, 102, 29)
HSL	hsl(77, 56%, 26%)
HSV	hsv(77, 72%, 40%)
CMYK	cmyk(20.6%, 0%, 71.6%, 60%)
CIE-LAB	lab(40.15, -19.60, 37.01)
CIE-LCH	lch(40.15, 41.88, 117.91°)
OKLab	oklab(47.74% -0.0566 0.0837)
OKLCH	oklch(47.74% 0.101 124.1)
XYZ	xyz(8.3666, 11.3407, 2.9104)
Luminance	0.1134 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51661D #321D66

analogous

#66561D #51661D #2C661D

triadic

#51661D #1D5166 #661D51

tetradic

#51661D #1D6656 #321D66 #661D2C

square

#51661D #1D6656 #321D66 #661D2C

split-complementary

#51661D #1D2C66 #561D66

monochromatic

#131807 #2B360F #51661D #77962B #9DC538

Accessibility & contrast

On white

6.43

#51661D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#51661D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51661D

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51661D	#FFFFFF	#000000	##FFFFFF
##51661D	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C5F12

Deuteranopia (green-blind)

#695E23

Tritanopia (blue-blind)

#556157

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #51661d;
/* rgb */ color: rgb(81, 102, 29);
/* oklch */ color: oklch(47.7% 0.101 124.1);

Tailwind

colors: {
  custom: {
    50: '#84915e',
    500: '#51661d',
    950: '#000000',
  },
}

SCSS

$custom: #51661d;
$custom-light: #84915e;
$custom-dark: #000000;

JSON

{
  "hex": "#51661d",
  "rgb": {
    "r": 81,
    "g": 102,
    "b": 29
  },
  "hsl": {
    "h": 77.26,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.47735,
    "c": 0.10105,
    "h": 124.1
  },
  "luminance": 0.11341
}

Semantic roles & 50–950 ramp

primary

#51661D

secondary

#5D449B

accent

#49DF74

background

#F8F8F5

surface

#EFF0E9

border

#CACBC5

text

#0B0C04

muted

#7C7D79

Preview Lab

Preview with #51661D

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

Preview Lab → · Contrast checker → · Palette generator →