#51B341#51B341

#51B341 is a light, vivid green. Relative luminance 0.344; OKLCH L 68.4% C 0.178 H 141.0°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#51B341
RGB	rgb(81, 179, 65)
HSL	hsl(112, 47%, 48%)
HSV	hsv(112, 64%, 70%)
CMYK	cmyk(54.7%, 0%, 63.7%, 29.8%)
CIE-LAB	lab(65.25, -50.55, 48.22)
CIE-LCH	lch(65.25, 69.86, 136.35°)
OKLab	oklab(68.36% -0.1382 0.112)
OKLCH	oklch(68.36% 0.178 141)
XYZ	xyz(20.4666, 34.3695, 10.5555)
Luminance	0.3437 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B341 #A341B3

analogous

#8AB341 #51B341 #41B36A

triadic

#51B341 #4151B3 #B34151

tetradic

#51B341 #418AB3 #A341B3 #B36A41

square

#51B341 #418AB3 #A341B3 #B36A41

split-complementary

#51B341 #6A41B3 #B3418A

monochromatic

#285920 #3D8631 #51B341 #76C869 #9FD996

Accessibility & contrast

On white

2.67

#51B341 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#51B341 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B341

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B341	#FFFFFF	#000000	##000000
##51B341	1.00	2.67	7.87	7.87
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.87	21.00	1.00	1.00
##000000	7.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A433

Deuteranopia (green-blind)

#AB9B4B

Tritanopia (blue-blind)

#45AE9B

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #51b341;
/* rgb */ color: rgb(81, 179, 65);
/* oklch */ color: oklch(68.4% 0.178 141.0);

Tailwind

colors: {
  custom: {
    50: '#8bca7a',
    500: '#51b341',
    950: '#000000',
  },
}

SCSS

$custom: #51b341;
$custom-light: #8bca7a;
$custom-dark: #000000;

JSON

{
  "hex": "#51b341",
  "rgb": {
    "r": 81,
    "g": 179,
    "b": 65
  },
  "hsl": {
    "h": 111.579,
    "s": 46.721,
    "l": 47.843
  },
  "oklch": {
    "l": 0.68358,
    "c": 0.17789,
    "h": 141
  },
  "luminance": 0.34371
}

Semantic roles & 50–950 ramp

primary

#51B341

secondary

#BC8BC4

accent

#51D6C4

background

#F9FCF7

surface

#F1F8EE

border

#CBD1C9

text

#0D1309

muted

#7E827B

Preview Lab

Preview with #51B341

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

Preview Lab → · Contrast checker → · Palette generator →