#51E447#51E447

#51E447 is a light, highly saturated green. Relative luminance 0.577; OKLCH L 81.0% C 0.232 H 142.2°. Best body text is #000000 at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#51E447
RGB	rgb(81, 228, 71)
HSL	hsl(116, 74%, 59%)
HSV	hsv(116, 69%, 89%)
CMYK	cmyk(64.5%, 0%, 68.9%, 10.6%)
CIE-LAB	lab(80.56, -67.41, 62.30)
CIE-LCH	lch(80.56, 91.79, 137.26°)
OKLab	oklab(81.02% -0.1835 0.1424)
OKLCH	oklch(81.02% 0.232 142.2)
XYZ	xyz(32.2723, 57.6878, 15.3941)
Luminance	0.5769 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E447 #DA47E4

analogous

#9FE447 #51E447 #47E48B

triadic

#51E447 #4751E4 #E44751

tetradic

#51E447 #479FE4 #DA47E4 #E48B47

square

#51E447 #479FE4 #DA47E4 #E48B47

split-complementary

#51E447 #8B47E4 #E4479F

monochromatic

#1F9A17 #2ACF1E #51E447 #83EC7C #B6F4B2

Accessibility & contrast

On white

1.67

#51E447 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.54

#51E447 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E447

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E447	#FFFFFF	#000000	##000000
##51E447	1.00	1.67	12.54	12.54
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.54	21.00	1.00	1.00
##000000	12.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9CF2F

Deuteranopia (green-blind)

#D8C356

Tritanopia (blue-blind)

#33DDC5

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51e447;
/* rgb */ color: rgb(81, 228, 71);
/* oklch */ color: oklch(81.0% 0.232 142.2);

Tailwind

colors: {
  custom: {
    50: '#93ee82',
    500: '#51e447',
    950: '#000000',
  },
}

SCSS

$custom: #51e447;
$custom-light: #93ee82;
$custom-dark: #000000;

JSON

{
  "hex": "#51e447",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 71
  },
  "hsl": {
    "h": 116.178,
    "s": 74.408,
    "l": 58.627
  },
  "oklch": {
    "l": 0.81018,
    "c": 0.23229,
    "h": 142.2
  },
  "luminance": 0.57691
}

Semantic roles & 50–950 ramp

primary

#51E447

secondary

#97329E

accent

#37F1E5

background

#FCFFFB

surface

#F5FEF2

border

#CFD6CC

text

#0F160B

muted

#80857E

Preview Lab

Preview with #51E447

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

Preview Lab → · Contrast checker → · Palette generator →