#51E189#51E189

#51E189 is a light, vivid green. Relative luminance 0.574; OKLCH L 81.1% C 0.175 H 153.0°. Best body text is #000000 at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#51E189
RGB	rgb(81, 225, 137)
HSL	hsl(143, 71%, 60%)
HSV	hsv(143, 64%, 88%)
CMYK	cmyk(64%, 0%, 39.1%, 11.8%)
CIE-LAB	lab(80.41, -57.74, 32.00)
CIE-LCH	lch(80.41, 66.01, 151.00°)
OKLab	oklab(81.13% -0.156 0.0797)
OKLCH	oklch(81.13% 0.175 153)
XYZ	xyz(34.8310, 57.4023, 32.9062)
Luminance	0.5741 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E189 #E151A9

analogous

#61E151 #51E189 #51E1D1

triadic

#51E189 #8951E1 #E18951

tetradic

#51E189 #5161E1 #E151A9 #E1D151

square

#51E189 #5161E1 #E151A9 #E1D151

split-complementary

#51E189 #D151E1 #E15161

monochromatic

#1B9D4D #24D167 #51E189 #85EAAC #B9F3D0

Accessibility & contrast

On white

1.68

#51E189 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.48

#51E189 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E189

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E189	#FFFFFF	#000000	##000000
##51E189	1.00	1.68	12.48	12.48
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.48	21.00	1.00	1.00
##000000	12.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1CF83

Deuteranopia (green-blind)

#CFC28F

Tritanopia (blue-blind)

#03DECB

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #51e189;
/* rgb */ color: rgb(81, 225, 137);
/* oklch */ color: oklch(81.1% 0.175 153.0);

Tailwind

colors: {
  custom: {
    50: '#91ebac',
    500: '#51e189',
    950: '#000000',
  },
}

SCSS

$custom: #51e189;
$custom-light: #91ebac;
$custom-dark: #000000;

JSON

{
  "hex": "#51e189",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 137
  },
  "hsl": {
    "h": 143.333,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.81131,
    "c": 0.1752,
    "h": 153
  },
  "luminance": 0.57406
}

Semantic roles & 50–950 ramp

primary

#51E189

secondary

#A03677

accent

#3AA8ED

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1610

muted

#7F8581

Preview Lab

Preview with #51E189

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

Preview Lab → · Contrast checker → · Palette generator →