#51721E#51721E

#51721E is a mid, moderate yellow-green. Relative luminance 0.139; OKLCH L 50.9% C 0.117 H 128.7°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#51721E
RGB	rgb(81, 114, 30)
HSL	hsl(84, 58%, 28%)
HSV	hsv(84, 74%, 45%)
CMYK	cmyk(28.9%, 0%, 73.7%, 55.3%)
CIE-LAB	lab(44.06, -25.65, 40.58)
CIE-LCH	lch(44.06, 48.00, 122.30°)
OKLab	oklab(50.9% -0.0731 0.0914)
OKLCH	oklch(50.9% 0.117 128.7)
XYZ	xyz(9.6450, 13.8775, 3.3985)
Luminance	0.1388 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51721E #3F1E72

analogous

#72691E #51721E #27721E

triadic

#51721E #1E5172 #721E51

tetradic

#51721E #1E7269 #3F1E72 #721E27

square

#51721E #1E7269 #3F1E72 #721E27

split-complementary

#51721E #1E2772 #691E72

monochromatic

#111806 #2F4211 #51721E #73A22B #94CC3E

Accessibility & contrast

On white

5.56

#51721E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#51721E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51721E

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51721E	#FFFFFF	#000000	##FFFFFF
##51721E	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#786A10

Deuteranopia (green-blind)

#736725

Tritanopia (blue-blind)

#546D61

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #51721e;
/* rgb */ color: rgb(81, 114, 30);
/* oklch */ color: oklch(50.9% 0.117 128.7);

Tailwind

colors: {
  custom: {
    50: '#859a60',
    500: '#51721e',
    950: '#000000',
  },
}

SCSS

$custom: #51721e;
$custom-light: #859a60;
$custom-dark: #000000;

JSON

{
  "hex": "#51721e",
  "rgb": {
    "r": 81,
    "g": 114,
    "b": 30
  },
  "hsl": {
    "h": 83.571,
    "s": 58.333,
    "l": 28.235
  },
  "oklch": {
    "l": 0.50904,
    "c": 0.11701,
    "h": 128.7
  },
  "luminance": 0.13878
}

Semantic roles & 50–950 ramp

primary

#51721E

secondary

#6C46A6

accent

#46E283

background

#F8F9F5

surface

#EFF2EA

border

#CACCC6

text

#0B0E05

muted

#7C7E79

Preview Lab

Preview with #51721E

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

Preview Lab → · Contrast checker → · Palette generator →