#51E223#51E223

#51E223 is a light, highly saturated green. Relative luminance 0.563; OKLCH L 80.3% C 0.247 H 140.0°. Best body text is #000000 at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#51E223
RGB	rgb(81, 226, 35)
HSL	hsl(106, 77%, 51%)
HSV	hsv(106, 85%, 89%)
CMYK	cmyk(64.2%, 0%, 84.5%, 11.4%)
CIE-LAB	lab(79.76, -68.99, 72.47)
CIE-LCH	lch(79.76, 100.06, 133.59°)
OKLab	oklab(80.29% -0.1895 0.159)
OKLCH	oklch(80.29% 0.247 140)
XYZ	xyz(30.8916, 56.2603, 10.8211)
Luminance	0.5626 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E223 #B423E2

analogous

#B0E223 #51E223 #23E254

triadic

#51E223 #2351E2 #E22351

tetradic

#51E223 #23B0E2 #B423E2 #E25423

square

#51E223 #23B0E2 #B423E2 #E25423

split-complementary

#51E223 #5423E2 #E223B0

monochromatic

#2A7A10 #3CB117 #51E223 #7CE959 #A7F08F

Accessibility & contrast

On white

1.71

#51E223 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.25

#51E223 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E223

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E223	#FFFFFF	#000000	##000000
##51E223	1.00	1.71	12.25	12.25
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.25	21.00	1.00	1.00
##000000	12.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8CD00

Deuteranopia (green-blind)

#D7C13E

Tritanopia (blue-blind)

#3ADAC1

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51e223;
/* rgb */ color: rgb(81, 226, 35);
/* oklch */ color: oklch(80.3% 0.247 140.0);

Tailwind

colors: {
  custom: {
    50: '#94ec72',
    500: '#51e223',
    950: '#000000',
  },
}

SCSS

$custom: #51e223;
$custom-light: #94ec72;
$custom-dark: #000000;

JSON

{
  "hex": "#51e223",
  "rgb": {
    "r": 81,
    "g": 226,
    "b": 35
  },
  "hsl": {
    "h": 105.55,
    "s": 76.707,
    "l": 51.176
  },
  "oklch": {
    "l": 0.80293,
    "c": 0.24736,
    "h": 140
  },
  "luminance": 0.56263
}

Semantic roles & 50–950 ramp

primary

#51E223

secondary

#6C2782

accent

#35F3C5

background

#FCFFFB

surface

#F5FEF1

border

#CFD6CB

text

#0F1609

muted

#80857D

Preview Lab

Preview with #51E223

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

Preview Lab → · Contrast checker → · Palette generator →