#51D366#51D366

#51D366 is a light, vivid green. Relative luminance 0.493; OKLCH L 77.0% C 0.188 H 146.4°. Best body text is #000000 at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#51D366
RGB	rgb(81, 211, 102)
HSL	hsl(130, 60%, 57%)
HSV	hsv(130, 62%, 83%)
CMYK	cmyk(61.6%, 0%, 51.7%, 17.3%)
CIE-LAB	lab(75.63, -58.04, 43.27)
CIE-LCH	lch(75.63, 72.40, 143.30°)
OKLab	oklab(77.04% -0.1569 0.1042)
OKLCH	oklch(77.04% 0.188 146.4)
XYZ	xyz(29.0840, 49.2943, 20.5498)
Luminance	0.4930 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D366 #D351BE

analogous

#7DD351 #51D366 #51D3A7

triadic

#51D366 #6651D3 #D36651

tetradic

#51D366 #517DD3 #D351BE #D3A751

square

#51D366 #517DD3 #D351BE #D3A751

split-complementary

#51D366 #A751D3 #D3517D

monochromatic

#228733 #2FB845 #51D366 #82DF91 #B3ECBC

Accessibility & contrast

On white

1.93

#51D366 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.86

#51D366 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D366

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D366	#FFFFFF	#000000	##000000
##51D366	1.00	1.93	10.86	10.86
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.86	21.00	1.00	1.00
##000000	10.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C15C

Deuteranopia (green-blind)

#C5B66E

Tritanopia (blue-blind)

#30CEBA

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #51d366;
/* rgb */ color: rgb(81, 211, 102);
/* oklch */ color: oklch(77.0% 0.188 146.4);

Tailwind

colors: {
  custom: {
    50: '#8fe194',
    500: '#51d366',
    950: '#000000',
  },
}

SCSS

$custom: #51d366;
$custom-light: #8fe194;
$custom-dark: #000000;

JSON

{
  "hex": "#51d366",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 102
  },
  "hsl": {
    "h": 129.692,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.7704,
    "c": 0.18835,
    "h": 146.4
  },
  "luminance": 0.49297
}

Semantic roles & 50–950 ramp

primary

#51D366

secondary

#DAA6D2

accent

#45C9E3

background

#F9FDF9

surface

#F2FBF2

border

#CCD4CC

text

#0E150D

muted

#7E837E

Preview Lab

Preview with #51D366

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

Preview Lab → · Contrast checker → · Palette generator →