#51791A#51791A

#51791A is a mid, vivid yellow-green. Relative luminance 0.155; OKLCH L 52.7% C 0.129 H 130.2°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#51791A
RGB	rgb(81, 121, 26)
HSL	hsl(85, 65%, 29%)
HSV	hsv(85, 79%, 47%)
CMYK	cmyk(33.1%, 0%, 78.5%, 52.5%)
CIE-LAB	lab(46.31, -29.29, 44.33)
CIE-LCH	lch(46.31, 53.13, 123.46°)
OKLab	oklab(52.73% -0.0834 0.0986)
OKLCH	oklch(52.73% 0.129 130.2)
XYZ	xyz(10.4171, 15.4983, 3.4197)
Luminance	0.1550 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51791A #421A79

analogous

#79721A #51791A #22791A

triadic

#51791A #1A5179 #791A51

tetradic

#51791A #1A7972 #421A79 #791A22

square

#51791A #1A7972 #421A79 #791A22

split-complementary

#51791A #1A2279 #721A79

monochromatic

#111905 #2F470F #51791A #73AB25 #93D439

Accessibility & contrast

On white

5.12

#51791A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#51791A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51791A

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

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

#7F7004

Deuteranopia (green-blind)

#796D24

Tritanopia (blue-blind)

#537467

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #51791a;
/* rgb */ color: rgb(81, 121, 26);
/* oklch */ color: oklch(52.7% 0.129 130.2);

Tailwind

colors: {
  custom: {
    50: '#86a05e',
    500: '#51791a',
    950: '#000000',
  },
}

SCSS

$custom: #51791a;
$custom-light: #86a05e;
$custom-dark: #000000;

JSON

{
  "hex": "#51791a",
  "rgb": {
    "r": 81,
    "g": 121,
    "b": 26
  },
  "hsl": {
    "h": 85.263,
    "s": 64.626,
    "l": 28.824
  },
  "oklch": {
    "l": 0.52728,
    "c": 0.12909,
    "h": 130.2
  },
  "luminance": 0.15499
}

Semantic roles & 50–950 ramp

primary

#51791A

secondary

#6F41AD

accent

#40E887

background

#F8F9F5

surface

#F0F2E9

border

#CBCCC5

text

#0B0E05

muted

#7C7E79

Preview Lab

Preview with #51791A

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

Preview Lab → · Contrast checker → · Palette generator →