#51BB64#51BB64

#51BB64 is a light, vivid green. Relative luminance 0.382; OKLCH L 70.9% C 0.158 H 147.3°. Best body text is #000000 at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#51BB64
RGB	rgb(81, 187, 100)
HSL	hsl(131, 44%, 53%)
HSV	hsv(131, 57%, 73%)
CMYK	cmyk(56.7%, 0%, 46.5%, 26.7%)
CIE-LAB	lab(68.17, -49.17, 34.97)
CIE-LCH	lch(68.17, 60.33, 144.58°)
OKLab	oklab(70.89% -0.1331 0.0854)
OKLCH	oklch(70.89% 0.158 147.3)
XYZ	xyz(23.4624, 38.2080, 18.1926)
Luminance	0.3821 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BB64 #BB51A8

analogous

#73BB51 #51BB64 #51BB99

triadic

#51BB64 #6451BB #BB6451

tetradic

#51BB64 #5173BB #BB51A8 #BB9951

square

#51BB64 #5173BB #BB51A8 #BB9951

split-complementary

#51BB64 #9951BB #BB5173

monochromatic

#296934 #3A954A #51BB64 #7DCC8B #A9DDB2

Accessibility & contrast

On white

2.43

#51BB64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.64

#51BB64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BB64

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BB64	#FFFFFF	#000000	##000000
##51BB64	1.00	2.43	8.64	8.64
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.64	21.00	1.00	1.00
##000000	8.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDAC5D

Deuteranopia (green-blind)

#AFA26A

Tritanopia (blue-blind)

#3AB7A6

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #51bb64;
/* rgb */ color: rgb(81, 187, 100);
/* oklch */ color: oklch(70.9% 0.158 147.3);

Tailwind

colors: {
  custom: {
    50: '#8bd091',
    500: '#51bb64',
    950: '#000000',
  },
}

SCSS

$custom: #51bb64;
$custom-light: #8bd091;
$custom-dark: #000000;

JSON

{
  "hex": "#51bb64",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 100
  },
  "hsl": {
    "h": 130.755,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.70891,
    "c": 0.15814,
    "h": 147.3
  },
  "luminance": 0.3821
}

Semantic roles & 50–950 ramp

primary

#51BB64

secondary

#CB9DC3

accent

#54BDD4

background

#F9FCF9

surface

#F1F9F1

border

#CBD2CB

text

#0D140D

muted

#7E827E

Preview Lab

Preview with #51BB64

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

Preview Lab → · Contrast checker → · Palette generator →