#51791D#51791D

#51791D is a mid, vivid yellow-green. Relative luminance 0.155; OKLCH L 52.7% C 0.127 H 130.5°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#51791D
RGB	rgb(81, 121, 29)
HSL	hsl(86, 61%, 29%)
HSV	hsv(86, 76%, 47%)
CMYK	cmyk(33.1%, 0%, 76%, 52.5%)
CIE-LAB	lab(46.33, -29.11, 43.24)
CIE-LCH	lch(46.33, 52.12, 123.95°)
OKLab	oklab(52.75% -0.0826 0.0968)
OKLCH	oklch(52.75% 0.127 130.5)
XYZ	xyz(10.4524, 15.5124, 3.6056)
Luminance	0.1551 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51791D #451D79

analogous

#79731D #51791D #23791D

triadic

#51791D #1D5179 #791D51

tetradic

#51791D #1D7973 #451D79 #791D23

square

#51791D #1D7973 #451D79 #791D23

split-complementary

#51791D #1D2379 #731D79

monochromatic

#111906 #304811 #51791D #72AA29 #92D13F

Accessibility & contrast

On white

5.12

#51791D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#51791D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51791D

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51791D	#FFFFFF	#000000	##FFFFFF
##51791D	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F700B

Deuteranopia (green-blind)

#796D26

Tritanopia (blue-blind)

#537467

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #51791d;
/* rgb */ color: rgb(81, 121, 29);
/* oklch */ color: oklch(52.7% 0.127 130.5);

Tailwind

colors: {
  custom: {
    50: '#85a060',
    500: '#51791d',
    950: '#000000',
  },
}

SCSS

$custom: #51791d;
$custom-light: #85a060;
$custom-dark: #000000;

JSON

{
  "hex": "#51791d",
  "rgb": {
    "r": 81,
    "g": 121,
    "b": 29
  },
  "hsl": {
    "h": 86.087,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.52749,
    "c": 0.12724,
    "h": 130.5
  },
  "luminance": 0.15513
}

Semantic roles & 50–950 ramp

primary

#51791D

secondary

#7245AD

accent

#43E489

background

#F8F9F5

surface

#F0F2EA

border

#CBCCC6

text

#0B0E05

muted

#7C7E79

Preview Lab

Preview with #51791D

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

Preview Lab → · Contrast checker → · Palette generator →