#51E256#51E256

#51E256 is a light, highly saturated green. Relative luminance 0.568; OKLCH L 80.7% C 0.220 H 143.7°. Best body text is #000000 at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#51E256
RGB	rgb(81, 226, 86)
HSL	hsl(122, 71%, 60%)
HSV	hsv(122, 64%, 89%)
CMYK	cmyk(64.2%, 0%, 61.9%, 11.4%)
CIE-LAB	lab(80.07, -65.31, 55.74)
CIE-LCH	lch(80.07, 85.86, 139.52°)
OKLab	oklab(80.65% -0.1771 0.1301)
OKLCH	oklch(80.65% 0.22 143.7)
XYZ	xyz(32.2675, 56.8107, 18.0674)
Luminance	0.5681 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E256 #E251DD

analogous

#94E251 #51E256 #51E29E

triadic

#51E256 #5651E2 #E25651

tetradic

#51E256 #5194E2 #E251DD #E29E51

square

#51E256 #5194E2 #E251DD #E29E51

split-complementary

#51E256 #9E51E2 #E25194

monochromatic

#1A9E1F #23D329 #51E256 #85EB89 #BAF3BC

Accessibility & contrast

On white

1.70

#51E256 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.36

#51E256 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E256

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E256	#FFFFFF	#000000	##000000
##51E256	1.00	1.70	12.36	12.36
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.36	21.00	1.00	1.00
##000000	12.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CE46

Deuteranopia (green-blind)

#D5C262

Tritanopia (blue-blind)

#2FDCC4

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #51e256;
/* rgb */ color: rgb(81, 226, 86);
/* oklch */ color: oklch(80.7% 0.220 143.7);

Tailwind

colors: {
  custom: {
    50: '#92ec8b',
    500: '#51e256',
    950: '#000000',
  },
}

SCSS

$custom: #51e256;
$custom-light: #92ec8b;
$custom-dark: #000000;

JSON

{
  "hex": "#51e256",
  "rgb": {
    "r": 81,
    "g": 226,
    "b": 86
  },
  "hsl": {
    "h": 122.069,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.8065,
    "c": 0.21977,
    "h": 143.7
  },
  "luminance": 0.56814
}

Semantic roles & 50–950 ramp

primary

#51E256

secondary

#A1369E

accent

#12CDD3

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #51E256

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

Preview Lab → · Contrast checker → · Palette generator →