#51741B#51741B

#51741B is a mid, vivid yellow-green. Relative luminance 0.143; OKLCH L 51.4% C 0.122 H 129.0°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#51741B
RGB	rgb(81, 116, 27)
HSL	hsl(84, 62%, 28%)
HSV	hsv(84, 77%, 45%)
CMYK	cmyk(30.2%, 0%, 76.7%, 54.5%)
CIE-LAB	lab(44.69, -26.83, 42.39)
CIE-LCH	lch(44.69, 50.17, 122.33°)
OKLab	oklab(51.41% -0.0766 0.0947)
OKLCH	oklch(51.41% 0.122 129)
XYZ	xyz(9.8365, 14.3190, 3.2823)
Luminance	0.1432 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51741B #3E1B74

analogous

#746B1B #51741B #24741B

triadic

#51741B #1B5174 #741B51

tetradic

#51741B #1B746B #3E1B74 #741B24

square

#51741B #1B746B #3E1B74 #741B24

split-complementary

#51741B #1B2474 #6B1B74

monochromatic

#111906 #2E420F #51741B #74A627 #95D139

Accessibility & contrast

On white

5.44

#51741B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#51741B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51741B

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51741B	#FFFFFF	#000000	##FFFFFF
##51741B	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A6B09

Deuteranopia (green-blind)

#756923

Tritanopia (blue-blind)

#546F63

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #51741b;
/* rgb */ color: rgb(81, 116, 27);
/* oklch */ color: oklch(51.4% 0.122 129.0);

Tailwind

colors: {
  custom: {
    50: '#859c5e',
    500: '#51741b',
    950: '#000000',
  },
}

SCSS

$custom: #51741b;
$custom-light: #859c5e;
$custom-dark: #000000;

JSON

{
  "hex": "#51741b",
  "rgb": {
    "r": 81,
    "g": 116,
    "b": 27
  },
  "hsl": {
    "h": 83.596,
    "s": 62.238,
    "l": 28.039
  },
  "oklch": {
    "l": 0.51409,
    "c": 0.12177,
    "h": 129
  },
  "luminance": 0.14319
}

Semantic roles & 50–950 ramp

primary

#51741B

secondary

#6A42A9

accent

#42E583

background

#F8F9F5

surface

#F0F2E9

border

#CBCCC5

text

#0B0E05

muted

#7C7E79

Preview Lab

Preview with #51741B

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

Preview Lab → · Contrast checker → · Palette generator →