#51BB48#51BB48

#51BB48 is a light, vivid green. Relative luminance 0.378; OKLCH L 70.5% C 0.183 H 142.1°. Best body text is #000000 at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#51BB48
RGB	rgb(81, 187, 72)
HSL	hsl(115, 46%, 51%)
HSV	hsv(115, 61%, 73%)
CMYK	cmyk(56.7%, 0%, 61.5%, 26.7%)
CIE-LAB	lab(67.84, -52.85, 48.03)
CIE-LCH	lch(67.84, 71.41, 137.74°)
OKLab	oklab(70.51% -0.144 0.1123)
OKLCH	oklch(70.51% 0.183 142.1)
XYZ	xyz(22.3322, 37.7559, 12.2404)
Luminance	0.3776 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BB48 #B248BB

analogous

#8ABB48 #51BB48 #48BB78

triadic

#51BB48 #4851BB #BB4851

tetradic

#51BB48 #488ABB #B248BB #BB7848

square

#51BB48 #488ABB #B248BB #BB7848

split-complementary

#51BB48 #7848BB #BB488A

monochromatic

#2A6425 #3D9036 #51BB48 #7BCC75 #A6DCA1

Accessibility & contrast

On white

2.46

#51BB48 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.55

#51BB48 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BB48

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BB48	#FFFFFF	#000000	##000000
##51BB48	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)

#BFAB3B

Deuteranopia (green-blind)

#B2A251

Tritanopia (blue-blind)

#41B6A2

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #51bb48;
/* rgb */ color: rgb(81, 187, 72);
/* oklch */ color: oklch(70.5% 0.183 142.1);

Tailwind

colors: {
  custom: {
    50: '#8cd07f',
    500: '#51bb48',
    950: '#000000',
  },
}

SCSS

$custom: #51bb48;
$custom-light: #8cd07f;
$custom-dark: #000000;

JSON

{
  "hex": "#51bb48",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 72
  },
  "hsl": {
    "h": 115.304,
    "s": 45.817,
    "l": 50.784
  },
  "oklch": {
    "l": 0.70509,
    "c": 0.18265,
    "h": 142.1
  },
  "luminance": 0.37758
}

Semantic roles & 50–950 ramp

primary

#51BB48

secondary

#C596C9

accent

#52D5CB

background

#F9FCF7

surface

#F1F9EE

border

#CBD2C9

text

#0D140A

muted

#7E827C

Preview Lab

Preview with #51BB48

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

Preview Lab → · Contrast checker → · Palette generator →