#51EA81#51EA81

#51EA81 is a very light, vivid green. Relative luminance 0.622; OKLCH L 83.2% C 0.194 H 150.1°. Best body text is #000000 at 13.44:1 contrast (WCAG AA passes).

Color values

HEX	#51EA81
RGB	rgb(81, 234, 129)
HSL	hsl(139, 78%, 62%)
HSV	hsv(139, 65%, 92%)
CMYK	cmyk(65.4%, 0%, 44.9%, 8.2%)
CIE-LAB	lab(83.01, -62.41, 39.37)
CIE-LCH	lch(83.01, 73.79, 147.75°)
OKLab	oklab(83.23% -0.1683 0.0966)
OKLCH	oklch(83.23% 0.194 150.1)
XYZ	xyz(36.7757, 62.1761, 30.8277)
Luminance	0.6218 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EA81 #EA51BA

analogous

#6DEA51 #51EA81 #51EACE

triadic

#51EA81 #8151EA #EA8151

tetradic

#51EA81 #516DEA #EA51BA #EACE51

square

#51EA81 #516DEA #EA51BA #EACE51

split-complementary

#51EA81 #CE51EA #EA516D

monochromatic

#15AC44 #1BE25A #51EA81 #88F1A9 #BEF7D0

Accessibility & contrast

On white

1.56

#51EA81 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.44

#51EA81 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EA81

13.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EA81	#FFFFFF	#000000	##000000
##51EA81	1.00	1.56	13.44	13.44
#FFFFFF	1.56	1.00	21.00	21.00
#000000	13.44	21.00	1.00	1.00
##000000	13.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD779

Deuteranopia (green-blind)

#D8C988

Tritanopia (blue-blind)

#03E6D1

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #51ea81;
/* rgb */ color: rgb(81, 234, 129);
/* oklch */ color: oklch(83.2% 0.194 150.1);

Tailwind

colors: {
  custom: {
    50: '#92f2a7',
    500: '#51ea81',
    950: '#000000',
  },
}

SCSS

$custom: #51ea81;
$custom-light: #92f2a7;
$custom-dark: #000000;

JSON

{
  "hex": "#51ea81",
  "rgb": {
    "r": 81,
    "g": 234,
    "b": 129
  },
  "hsl": {
    "h": 138.824,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.83234,
    "c": 0.19405,
    "h": 150.1
  },
  "luminance": 0.6218
}

Semantic roles & 50–950 ramp

primary

#51EA81

secondary

#AD3286

accent

#0B99DB

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E170F

muted

#7F8580

Preview Lab

Preview with #51EA81

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

Preview Lab → · Contrast checker → · Palette generator →