#51BB43#51BB43

#51BB43 is a light, vivid green. Relative luminance 0.377; OKLCH L 70.5% C 0.186 H 141.4°. Best body text is #000000 at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#51BB43
RGB	rgb(81, 187, 67)
HSL	hsl(113, 47%, 50%)
HSV	hsv(113, 64%, 73%)
CMYK	cmyk(56.7%, 0%, 64.2%, 26.7%)
CIE-LAB	lab(67.79, -53.37, 50.16)
CIE-LCH	lch(67.79, 73.25, 136.77°)
OKLab	oklab(70.46% -0.1457 0.1163)
OKLCH	oklch(70.46% 0.186 141.4)
XYZ	xyz(22.1757, 37.6933, 11.4160)
Luminance	0.3770 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BB43 #AD43BB

analogous

#8DBB43 #51BB43 #43BB71

triadic

#51BB43 #4351BB #BB4351

tetradic

#51BB43 #438DBB #AD43BB #BB7143

square

#51BB43 #438DBB #AD43BB #BB7143

split-complementary

#51BB43 #7143BB #BB438D

monochromatic

#2A6123 #3D8E33 #51BB43 #7ACC70 #A4DC9D

Accessibility & contrast

On white

2.46

#51BB43 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.54

#51BB43 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BB43

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BB43	#FFFFFF	#000000	##000000
##51BB43	1.00	2.46	8.54	8.54
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.54	21.00	1.00	1.00
##000000	8.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AB34

Deuteranopia (green-blind)

#B2A24D

Tritanopia (blue-blind)

#42B5A2

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #51bb43;
/* rgb */ color: rgb(81, 187, 67);
/* oklch */ color: oklch(70.5% 0.186 141.4);

Tailwind

colors: {
  custom: {
    50: '#8cd07c',
    500: '#51bb43',
    950: '#000000',
  },
}

SCSS

$custom: #51bb43;
$custom-light: #8cd07c;
$custom-dark: #000000;

JSON

{
  "hex": "#51bb43",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 67
  },
  "hsl": {
    "h": 113,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.70456,
    "c": 0.18649,
    "h": 141.4
  },
  "luminance": 0.37695
}

Semantic roles & 50–950 ramp

primary

#51BB43

secondary

#C292C8

accent

#51D7C7

background

#F9FCF7

surface

#F1F9EE

border

#CBD2C9

text

#0D140A

muted

#7E827C

Preview Lab

Preview with #51BB43

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

Preview Lab → · Contrast checker → · Palette generator →