#51721D#51721D

#51721D is a mid, moderate yellow-green. Relative luminance 0.139; OKLCH L 50.9% C 0.118 H 128.6°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#51721D
RGB	rgb(81, 114, 29)
HSL	hsl(83, 59%, 28%)
HSV	hsv(83, 75%, 45%)
CMYK	cmyk(28.9%, 0%, 74.6%, 55.3%)
CIE-LAB	lab(44.05, -25.72, 40.97)
CIE-LCH	lch(44.05, 48.38, 122.12°)
OKLab	oklab(50.9% -0.0734 0.092)
OKLCH	oklch(50.9% 0.118 128.6)
XYZ	xyz(9.6324, 13.8724, 3.3323)
Luminance	0.1387 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51721D #3E1D72

analogous

#72681D #51721D #26721D

triadic

#51721D #1D5172 #721D51

tetradic

#51721D #1D7268 #3E1D72 #721D26

square

#51721D #1D7268 #3E1D72 #721D26

split-complementary

#51721D #1D2672 #681D72

monochromatic

#111806 #2E4111 #51721D #74A329 #95CD3C

Accessibility & contrast

On white

5.56

#51721D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#51721D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51721D

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51721D	#FFFFFF	#000000	##FFFFFF
##51721D	1.00	5.56	3.77	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#786A0E

Deuteranopia (green-blind)

#736725

Tritanopia (blue-blind)

#546D61

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #51721d;
/* rgb */ color: rgb(81, 114, 29);
/* oklch */ color: oklch(50.9% 0.118 128.6);

Tailwind

colors: {
  custom: {
    50: '#859a5f',
    500: '#51721d',
    950: '#000000',
  },
}

SCSS

$custom: #51721d;
$custom-light: #859a5f;
$custom-dark: #000000;

JSON

{
  "hex": "#51721d",
  "rgb": {
    "r": 81,
    "g": 114,
    "b": 29
  },
  "hsl": {
    "h": 83.294,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.50896,
    "c": 0.11771,
    "h": 128.6
  },
  "luminance": 0.13873
}

Semantic roles & 50–950 ramp

primary

#51721D

secondary

#6A45A6

accent

#45E382

background

#F8F9F5

surface

#EFF2EA

border

#CACCC6

text

#0B0E05

muted

#7C7E79

Preview Lab

Preview with #51721D

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

Preview Lab → · Contrast checker → · Palette generator →