#51E378#51E378

#51E378 is a light, vivid green. Relative luminance 0.580; OKLCH L 81.3% C 0.193 H 148.9°. Best body text is #000000 at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#51E378
RGB	rgb(81, 227, 120)
HSL	hsl(136, 72%, 60%)
HSV	hsv(136, 64%, 89%)
CMYK	cmyk(64.3%, 0%, 47.1%, 11%)
CIE-LAB	lab(80.76, -61.27, 40.93)
CIE-LCH	lch(80.76, 73.68, 146.26°)
OKLab	oklab(81.34% -0.1653 0.0998)
OKLCH	oklch(81.34% 0.193 148.9)
XYZ	xyz(34.2500, 58.0400, 27.1635)
Luminance	0.5804 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E378 #E351BC

analogous

#73E351 #51E378 #51E3C1

triadic

#51E378 #7851E3 #E37851

tetradic

#51E378 #5173E3 #E351BC #E3C151

square

#51E378 #5173E3 #E351BC #E3C151

split-complementary

#51E378 #C151E3 #E35173

monochromatic

#1AA03E #22D552 #51E378 #86EBA1 #BAF4CA

Accessibility & contrast

On white

1.67

#51E378 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.61

#51E378 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E378

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E378	#FFFFFF	#000000	##000000
##51E378	1.00	1.67	12.61	12.61
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.61	21.00	1.00	1.00
##000000	12.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5D06F

Deuteranopia (green-blind)

#D3C37F

Tritanopia (blue-blind)

#1BDFCA

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51e378;
/* rgb */ color: rgb(81, 227, 120);
/* oklch */ color: oklch(81.3% 0.193 148.9);

Tailwind

colors: {
  custom: {
    50: '#91eda0',
    500: '#51e378',
    950: '#000000',
  },
}

SCSS

$custom: #51e378;
$custom-light: #91eda0;
$custom-dark: #000000;

JSON

{
  "hex": "#51e378",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 120
  },
  "hsl": {
    "h": 136.027,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.81342,
    "c": 0.19308,
    "h": 148.9
  },
  "luminance": 0.58044
}

Semantic roles & 50–950 ramp

primary

#51E378

secondary

#A33586

accent

#11A0D4

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E160F

muted

#7F8580

Preview Lab

Preview with #51E378

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

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