#51E374#51E374

#51E374 is a light, vivid green. Relative luminance 0.579; OKLCH L 81.3% C 0.197 H 148.1°. Best body text is #000000 at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#51E374
RGB	rgb(81, 227, 116)
HSL	hsl(134, 72%, 60%)
HSV	hsv(134, 64%, 89%)
CMYK	cmyk(64.3%, 0%, 48.9%, 11%)
CIE-LAB	lab(80.71, -61.87, 42.80)
CIE-LCH	lch(80.71, 75.23, 145.32°)
OKLab	oklab(81.28% -0.1669 0.1039)
OKLCH	oklch(81.28% 0.197 148.1)
XYZ	xyz(34.0123, 57.9449, 25.9116)
Luminance	0.5795 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E374 #E351C0

analogous

#77E351 #51E374 #51E3BD

triadic

#51E374 #7451E3 #E37451

tetradic

#51E374 #5177E3 #E351C0 #E3BD51

square

#51E374 #5177E3 #E351C0 #E3BD51

split-complementary

#51E374 #BD51E3 #E35177

monochromatic

#1AA03A #22D54D #51E374 #86EB9E #BAF4C8

Accessibility & contrast

On white

1.67

#51E374 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.59

#51E374 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E374

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E374	#FFFFFF	#000000	##000000
##51E374	1.00	1.67	12.59	12.59
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.59	21.00	1.00	1.00
##000000	12.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5D06B

Deuteranopia (green-blind)

#D3C37C

Tritanopia (blue-blind)

#1EDFC9

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51e374;
/* rgb */ color: rgb(81, 227, 116);
/* oklch */ color: oklch(81.3% 0.197 148.1);

Tailwind

colors: {
  custom: {
    50: '#91ed9e',
    500: '#51e374',
    950: '#000000',
  },
}

SCSS

$custom: #51e374;
$custom-light: #91ed9e;
$custom-dark: #000000;

JSON

{
  "hex": "#51e374",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 116
  },
  "hsl": {
    "h": 134.384,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.81281,
    "c": 0.19659,
    "h": 148.1
  },
  "luminance": 0.57948
}

Semantic roles & 50–950 ramp

primary

#51E374

secondary

#A33589

accent

#11A6D4

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E160E

muted

#7F857F

Preview Lab

Preview with #51E374

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

Preview Lab → · Contrast checker → · Palette generator →