#51812E#51812E

#51812E is a mid, vivid yellow-green. Relative luminance 0.176; OKLCH L 55.0% C 0.126 H 134.3°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#51812E
RGB	rgb(81, 129, 46)
HSL	hsl(95, 47%, 34%)
HSV	hsv(95, 64%, 51%)
CMYK	cmyk(37.2%, 0%, 64.3%, 49.4%)
CIE-LAB	lab(49.06, -31.47, 38.83)
CIE-LCH	lch(49.06, 49.98, 129.02°)
OKLab	oklab(55.02% -0.0876 0.0899)
OKLCH	oklch(55.02% 0.126 134.3)
XYZ	xyz(11.7365, 17.6466, 5.3720)
Luminance	0.1765 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51812E #5E2E81

analogous

#7B812E #51812E #2E8135

triadic

#51812E #2E5181 #812E51

tetradic

#51812E #2E7B81 #5E2E81 #81352E

square

#51812E #2E7B81 #5E2E81 #81352E

split-complementary

#51812E #352E81 #812E7B

monochromatic

#18270E #35541E #51812E #6DAE3E #8DC762

Accessibility & contrast

On white

4.64

#51812E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#51812E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #51812E

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51812E	#FFFFFF	#000000	##FFFFFF
##51812E	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#867724

Deuteranopia (green-blind)

#7F7334

Tritanopia (blue-blind)

#517C6F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #51812e;
/* rgb */ color: rgb(81, 129, 46);
/* oklch */ color: oklch(55.0% 0.126 134.3);

Tailwind

colors: {
  custom: {
    50: '#85a66a',
    500: '#51812e',
    950: '#000000',
  },
}

SCSS

$custom: #51812e;
$custom-light: #85a66a;
$custom-dark: #000000;

JSON

{
  "hex": "#51812e",
  "rgb": {
    "r": 81,
    "g": 129,
    "b": 46
  },
  "hsl": {
    "h": 94.699,
    "s": 47.429,
    "l": 34.314
  },
  "oklch": {
    "l": 0.55024,
    "c": 0.12555,
    "h": 134.3
  },
  "luminance": 0.17647
}

Semantic roles & 50–950 ramp

primary

#51812E

secondary

#8C5DAE

accent

#51D79E

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0B0F07

muted

#7C7F7A

Preview Lab

Preview with #51812E

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

Preview Lab → · Contrast checker → · Palette generator →