#51E372#51E372

#51E372 is a light, vivid green. Relative luminance 0.579; OKLCH L 81.3% C 0.198 H 147.7°. Best body text is #000000 at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#51E372
RGB	rgb(81, 227, 114)
HSL	hsl(134, 72%, 60%)
HSV	hsv(134, 64%, 89%)
CMYK	cmyk(64.3%, 0%, 49.8%, 11%)
CIE-LAB	lab(80.68, -62.16, 43.73)
CIE-LCH	lch(80.68, 76.00, 144.87°)
OKLab	oklab(81.25% -0.1677 0.1059)
OKLCH	oklch(81.25% 0.198 147.7)
XYZ	xyz(33.8973, 57.8989, 25.3055)
Luminance	0.5790 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E372 #E351C2

analogous

#79E351 #51E372 #51E3BB

triadic

#51E372 #7251E3 #E37251

tetradic

#51E372 #5179E3 #E351C2 #E3BB51

square

#51E372 #5179E3 #E351C2 #E3BB51

split-complementary

#51E372 #BB51E3 #E35179

monochromatic

#1AA038 #22D54B #51E372 #86EB9D #BAF4C7

Accessibility & contrast

On white

1.67

#51E372 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.58

#51E372 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E372

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E372	#FFFFFF	#000000	##000000
##51E372	1.00	1.67	12.58	12.58
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.58	21.00	1.00	1.00
##000000	12.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5D068

Deuteranopia (green-blind)

#D3C37A

Tritanopia (blue-blind)

#20DEC9

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51e372;
/* rgb */ color: rgb(81, 227, 114);
/* oklch */ color: oklch(81.3% 0.198 147.7);

Tailwind

colors: {
  custom: {
    50: '#91ed9c',
    500: '#51e372',
    950: '#000000',
  },
}

SCSS

$custom: #51e372;
$custom-light: #91ed9c;
$custom-dark: #000000;

JSON

{
  "hex": "#51e372",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 114
  },
  "hsl": {
    "h": 133.562,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.81252,
    "c": 0.19833,
    "h": 147.7
  },
  "luminance": 0.57902
}

Semantic roles & 50–950 ramp

primary

#51E372

secondary

#A3358A

accent

#11A8D4

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E160E

muted

#7F857F

Preview Lab

Preview with #51E372

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

Preview Lab → · Contrast checker → · Palette generator →