#51E27D#51E27D

#51E27D is a light, vivid green. Relative luminance 0.576; OKLCH L 81.2% C 0.187 H 150.0°. Best body text is #000000 at 12.52:1 contrast (WCAG AA passes).

Color values

HEX	#51E27D
RGB	rgb(81, 226, 125)
HSL	hsl(138, 71%, 60%)
HSV	hsv(138, 64%, 89%)
CMYK	cmyk(64.2%, 0%, 44.7%, 11.4%)
CIE-LAB	lab(80.53, -60.13, 38.17)
CIE-LCH	lch(80.53, 71.22, 147.59°)
OKLab	oklab(81.17% -0.1622 0.0937)
OKLCH	oklch(81.17% 0.187 150)
XYZ	xyz(34.2887, 57.6192, 28.7126)
Luminance	0.5762 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E27D #E251B6

analogous

#6DE251 #51E27D #51E2C6

triadic

#51E27D #7D51E2 #E27D51

tetradic

#51E27D #516DE2 #E251B6 #E2C651

square

#51E27D #516DE2 #E251B6 #E2C651

split-complementary

#51E27D #C651E2 #E2516D

monochromatic

#1A9E42 #23D358 #51E27D #85EBA4 #BAF3CB

Accessibility & contrast

On white

1.68

#51E27D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.52

#51E27D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E27D

12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E27D	#FFFFFF	#000000	##000000
##51E27D	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)

#E3D075

Deuteranopia (green-blind)

#D1C384

Tritanopia (blue-blind)

#16DECA

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51e27d;
/* rgb */ color: rgb(81, 226, 125);
/* oklch */ color: oklch(81.2% 0.187 150.0);

Tailwind

colors: {
  custom: {
    50: '#91eca4',
    500: '#51e27d',
    950: '#000000',
  },
}

SCSS

$custom: #51e27d;
$custom-light: #91eca4;
$custom-dark: #000000;

JSON

{
  "hex": "#51e27d",
  "rgb": {
    "r": 81,
    "g": 226,
    "b": 125
  },
  "hsl": {
    "h": 138.207,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.81172,
    "c": 0.18733,
    "h": 150
  },
  "luminance": 0.57623
}

Semantic roles & 50–950 ramp

primary

#51E27D

secondary

#A13681

accent

#1299D3

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E160F

muted

#7F8580

Preview Lab

Preview with #51E27D

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

Preview Lab → · Contrast checker → · Palette generator →