#51E366#51E366

#51E366 is a light, highly saturated green. Relative luminance 0.576; OKLCH L 81.1% C 0.208 H 145.8°. Best body text is #000000 at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#51E366
RGB	rgb(81, 227, 102)
HSL	hsl(129, 72%, 60%)
HSV	hsv(129, 64%, 89%)
CMYK	cmyk(64.3%, 0%, 55.1%, 11%)
CIE-LAB	lab(80.54, -63.78, 49.19)
CIE-LCH	lch(80.54, 80.55, 142.36°)
OKLab	oklab(81.09% -0.1724 0.1173)
OKLCH	oklch(81.09% 0.208 145.8)
XYZ	xyz(33.2585, 57.6434, 21.9414)
Luminance	0.5765 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E366 #E351CE

analogous

#85E351 #51E366 #51E3AF

triadic

#51E366 #6651E3 #E36651

tetradic

#51E366 #5185E3 #E351CE #E3AF51

square

#51E366 #5185E3 #E351CE #E3AF51

split-complementary

#51E366 #AF51E3 #E35185

monochromatic

#1AA02D #22D53C #51E366 #86EB94 #BAF4C3

Accessibility & contrast

On white

1.68

#51E366 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.53

#51E366 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E366

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E366	#FFFFFF	#000000	##000000
##51E366	1.00	1.68	12.53	12.53
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.53	21.00	1.00	1.00
##000000	12.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CF5A

Deuteranopia (green-blind)

#D4C370

Tritanopia (blue-blind)

#27DEC7

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51e366;
/* rgb */ color: rgb(81, 227, 102);
/* oklch */ color: oklch(81.1% 0.208 145.8);

Tailwind

colors: {
  custom: {
    50: '#92ed95',
    500: '#51e366',
    950: '#000000',
  },
}

SCSS

$custom: #51e366;
$custom-light: #92ed95;
$custom-dark: #000000;

JSON

{
  "hex": "#51e366",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 102
  },
  "hsl": {
    "h": 128.63,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.81088,
    "c": 0.20849,
    "h": 145.8
  },
  "luminance": 0.57647
}

Semantic roles & 50–950 ramp

primary

#51E366

secondary

#A33593

accent

#11B8D4

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160D

muted

#7F857F

Preview Lab

Preview with #51E366

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

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