#51E27C#51E27C

#51E27C is a light, vivid green. Relative luminance 0.576; OKLCH L 81.2% C 0.188 H 149.8°. Best body text is #000000 at 12.52:1 contrast (WCAG AA passes).

Color values

HEX	#51E27C
RGB	rgb(81, 226, 124)
HSL	hsl(138, 71%, 60%)
HSV	hsv(138, 64%, 89%)
CMYK	cmyk(64.2%, 0%, 45.1%, 11.4%)
CIE-LAB	lab(80.51, -60.28, 38.65)
CIE-LCH	lch(80.51, 71.61, 147.34°)
OKLab	oklab(81.16% -0.1626 0.0948)
OKLCH	oklch(81.16% 0.188 149.8)
XYZ	xyz(34.2252, 57.5937, 28.3779)
Luminance	0.5760 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E27C #E251B7

analogous

#6EE251 #51E27C #51E2C4

triadic

#51E27C #7C51E2 #E27C51

tetradic

#51E27C #516EE2 #E251B7 #E2C451

square

#51E27C #516EE2 #E251B7 #E2C451

split-complementary

#51E27C #C451E2 #E2516E

monochromatic

#1A9E41 #23D357 #51E27C #85EBA3 #BAF3CB

Accessibility & contrast

On white

1.68

#51E27C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.52

#51E27C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E27C

12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E27C	#FFFFFF	#000000	##000000
##51E27C	1.00	1.68	12.52	12.52
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.52	21.00	1.00	1.00
##000000	12.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3D074

Deuteranopia (green-blind)

#D1C383

Tritanopia (blue-blind)

#18DECA

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51e27c;
/* rgb */ color: rgb(81, 226, 124);
/* oklch */ color: oklch(81.2% 0.188 149.8);

Tailwind

colors: {
  custom: {
    50: '#91eca3',
    500: '#51e27c',
    950: '#000000',
  },
}

SCSS

$custom: #51e27c;
$custom-light: #91eca3;
$custom-dark: #000000;

JSON

{
  "hex": "#51e27c",
  "rgb": {
    "r": 81,
    "g": 226,
    "b": 124
  },
  "hsl": {
    "h": 137.793,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.81155,
    "c": 0.18822,
    "h": 149.8
  },
  "luminance": 0.57597
}

Semantic roles & 50–950 ramp

primary

#51E27C

secondary

#A13681

accent

#129AD3

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E160F

muted

#7F8580

Preview Lab

Preview with #51E27C

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

Preview Lab → · Contrast checker → · Palette generator →