#51BB47#51BB47

#51BB47 is a light, vivid green. Relative luminance 0.377; OKLCH L 70.5% C 0.183 H 141.9°. Best body text is #000000 at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#51BB47
RGB	rgb(81, 187, 71)
HSL	hsl(115, 46%, 51%)
HSV	hsv(115, 62%, 73%)
CMYK	cmyk(56.7%, 0%, 62%, 26.7%)
CIE-LAB	lab(67.83, -52.96, 48.46)
CIE-LCH	lch(67.83, 71.78, 137.54°)
OKLab	oklab(70.5% -0.1444 0.1131)
OKLCH	oklch(70.5% 0.183 141.9)
XYZ	xyz(22.2999, 37.7430, 12.0700)
Luminance	0.3775 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BB47 #B147BB

analogous

#8BBB47 #51BB47 #47BB77

triadic

#51BB47 #4751BB #BB4751

tetradic

#51BB47 #478BBB #B147BB #BB7747

square

#51BB47 #478BBB #B147BB #BB7747

split-complementary

#51BB47 #7747BB #BB478B

monochromatic

#2A6325 #3D9035 #51BB47 #7BCC74 #A6DCA0

Accessibility & contrast

On white

2.46

#51BB47 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.55

#51BB47 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BB47

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BB47	#FFFFFF	#000000	##000000
##51BB47	1.00	2.46	8.55	8.55
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.55	21.00	1.00	1.00
##000000	8.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFAB3A

Deuteranopia (green-blind)

#B2A251

Tritanopia (blue-blind)

#42B6A2

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #51bb47;
/* rgb */ color: rgb(81, 187, 71);
/* oklch */ color: oklch(70.5% 0.183 141.9);

Tailwind

colors: {
  custom: {
    50: '#8cd07f',
    500: '#51bb47',
    950: '#000000',
  },
}

SCSS

$custom: #51bb47;
$custom-light: #8cd07f;
$custom-dark: #000000;

JSON

{
  "hex": "#51bb47",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 71
  },
  "hsl": {
    "h": 114.828,
    "s": 46.032,
    "l": 50.588
  },
  "oklch": {
    "l": 0.70498,
    "c": 0.18343,
    "h": 141.9
  },
  "luminance": 0.37745
}

Semantic roles & 50–950 ramp

primary

#51BB47

secondary

#C495C9

accent

#52D6CA

background

#F9FCF7

surface

#F1F9EE

border

#CBD2C9

text

#0D140A

muted

#7E827C

Preview Lab

Preview with #51BB47

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

Preview Lab → · Contrast checker → · Palette generator →