#51791C#51791C

#51791C is a mid, vivid yellow-green. Relative luminance 0.155; OKLCH L 52.7% C 0.128 H 130.4°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#51791C
RGB	rgb(81, 121, 28)
HSL	hsl(86, 62%, 29%)
HSV	hsv(86, 77%, 47%)
CMYK	cmyk(33.1%, 0%, 76.9%, 52.5%)
CIE-LAB	lab(46.32, -29.17, 43.61)
CIE-LCH	lch(46.32, 52.47, 123.78°)
OKLab	oklab(52.74% -0.0829 0.0974)
OKLCH	oklch(52.74% 0.128 130.4)
XYZ	xyz(10.4402, 15.5076, 3.5416)
Luminance	0.1551 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51791C #441C79

analogous

#79731C #51791C #23791C

triadic

#51791C #1C5179 #791C51

tetradic

#51791C #1C7973 #441C79 #791C23

square

#51791C #1C7973 #441C79 #791C23

split-complementary

#51791C #1C2379 #731C79

monochromatic

#111906 #304710 #51791C #72AB28 #92D23D

Accessibility & contrast

On white

5.12

#51791C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#51791C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51791C

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51791C	#FFFFFF	#000000	##FFFFFF
##51791C	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)

#7F7009

Deuteranopia (green-blind)

#796D25

Tritanopia (blue-blind)

#537467

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #51791c;
/* rgb */ color: rgb(81, 121, 28);
/* oklch */ color: oklch(52.7% 0.128 130.4);

Tailwind

colors: {
  custom: {
    50: '#86a05f',
    500: '#51791c',
    950: '#000000',
  },
}

SCSS

$custom: #51791c;
$custom-light: #86a05f;
$custom-dark: #000000;

JSON

{
  "hex": "#51791c",
  "rgb": {
    "r": 81,
    "g": 121,
    "b": 28
  },
  "hsl": {
    "h": 85.806,
    "s": 62.416,
    "l": 29.216
  },
  "oklch": {
    "l": 0.52742,
    "c": 0.12788,
    "h": 130.4
  },
  "luminance": 0.15508
}

Semantic roles & 50–950 ramp

primary

#51791C

secondary

#7144AD

accent

#42E588

background

#F8F9F5

surface

#F0F2EA

border

#CBCCC6

text

#0B0E05

muted

#7C7E79

Preview Lab

Preview with #51791C

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

Preview Lab → · Contrast checker → · Palette generator →