#51E283#51E283

#51E283 is a light, vivid green. Relative luminance 0.578; OKLCH L 81.3% C 0.182 H 151.3°. Best body text is #000000 at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#51E283
RGB	rgb(81, 226, 131)
HSL	hsl(141, 71%, 60%)
HSV	hsv(141, 64%, 89%)
CMYK	cmyk(64.2%, 0%, 42%, 11.4%)
CIE-LAB	lab(80.61, -59.14, 35.30)
CIE-LCH	lch(80.61, 68.88, 149.17°)
OKLab	oklab(81.27% -0.1596 0.0872)
OKLCH	oklch(81.27% 0.182 151.3)
XYZ	xyz(34.6837, 57.7771, 30.7926)
Luminance	0.5778 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E283 #E251B0

analogous

#67E251 #51E283 #51E2CC

triadic

#51E283 #8351E2 #E28351

tetradic

#51E283 #5167E2 #E251B0 #E2CC51

square

#51E283 #5167E2 #E251B0 #E2CC51

split-complementary

#51E283 #CC51E2 #E25167

monochromatic

#1A9E48 #23D360 #51E283 #85EBA8 #BAF3CE

Accessibility & contrast

On white

1.67

#51E283 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.56

#51E283 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E283

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E283	#FFFFFF	#000000	##000000
##51E283	1.00	1.67	12.56	12.56
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.56	21.00	1.00	1.00
##000000	12.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3D07C

Deuteranopia (green-blind)

#D0C389

Tritanopia (blue-blind)

#0EDFCB

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51e283;
/* rgb */ color: rgb(81, 226, 131);
/* oklch */ color: oklch(81.3% 0.182 151.3);

Tailwind

colors: {
  custom: {
    50: '#91eca8',
    500: '#51e283',
    950: '#000000',
  },
}

SCSS

$custom: #51e283;
$custom-light: #91eca8;
$custom-dark: #000000;

JSON

{
  "hex": "#51e283",
  "rgb": {
    "r": 81,
    "g": 226,
    "b": 131
  },
  "hsl": {
    "h": 140.69,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.81273,
    "c": 0.18194,
    "h": 151.3
  },
  "luminance": 0.57781
}

Semantic roles & 50–950 ramp

primary

#51E283

secondary

#A1367C

accent

#1291D3

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E1610

muted

#7F8580

Preview Lab

Preview with #51E283

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

Preview Lab → · Contrast checker → · Palette generator →