#51E37A#51E37A

#51E37A is a light, vivid green. Relative luminance 0.581; OKLCH L 81.4% C 0.191 H 149.3°. Best body text is #000000 at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#51E37A
RGB	rgb(81, 227, 122)
HSL	hsl(137, 72%, 60%)
HSV	hsv(137, 64%, 89%)
CMYK	cmyk(64.3%, 0%, 46.3%, 11%)
CIE-LAB	lab(80.79, -60.96, 39.98)
CIE-LCH	lch(80.79, 72.90, 146.74°)
OKLab	oklab(81.37% -0.1645 0.0977)
OKLCH	oklch(81.37% 0.191 149.3)
XYZ	xyz(34.3727, 58.0891, 27.8094)
Luminance	0.5809 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E37A #E351BA

analogous

#71E351 #51E37A #51E3C3

triadic

#51E37A #7A51E3 #E37A51

tetradic

#51E37A #5171E3 #E351BA #E3C351

square

#51E37A #5171E3 #E351BA #E3C351

split-complementary

#51E37A #C351E3 #E35171

monochromatic

#1AA03F #22D554 #51E37A #86EBA2 #BAF4CB

Accessibility & contrast

On white

1.66

#51E37A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.62

#51E37A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E37A

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E37A	#FFFFFF	#000000	##000000
##51E37A	1.00	1.66	12.62	12.62
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.62	21.00	1.00	1.00
##000000	12.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5D072

Deuteranopia (green-blind)

#D2C381

Tritanopia (blue-blind)

#19DFCA

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51e37a;
/* rgb */ color: rgb(81, 227, 122);
/* oklch */ color: oklch(81.4% 0.191 149.3);

Tailwind

colors: {
  custom: {
    50: '#91eda2',
    500: '#51e37a',
    950: '#000000',
  },
}

SCSS

$custom: #51e37a;
$custom-light: #91eda2;
$custom-dark: #000000;

JSON

{
  "hex": "#51e37a",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 122
  },
  "hsl": {
    "h": 136.849,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.81374,
    "c": 0.1913,
    "h": 149.3
  },
  "luminance": 0.58093
}

Semantic roles & 50–950 ramp

primary

#51E37A

secondary

#A33584

accent

#119ED4

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E160F

muted

#7F8580

Preview Lab

Preview with #51E37A

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

Preview Lab → · Contrast checker → · Palette generator →