#66EA81#66EA81

#66EA81 is a very light, vivid green. Relative luminance 0.633; OKLCH L 83.9% C 0.186 H 147.9°. Best body text is #000000 at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#66EA81
RGB	rgb(102, 234, 129)
HSL	hsl(132, 76%, 66%)
HSV	hsv(132, 56%, 92%)
CMYK	cmyk(56.4%, 0%, 44.9%, 8.2%)
CIE-LAB	lab(83.57, -58.09, 40.21)
CIE-LCH	lch(83.57, 70.65, 145.31°)
OKLab	oklab(83.86% -0.1572 0.0985)
OKLCH	oklch(83.86% 0.186 147.9)
XYZ	xyz(38.8622, 63.2519, 30.9255)
Luminance	0.6325 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EA81 #EA66CF

analogous

#8DEA66 #66EA81 #66EAC3

triadic

#66EA81 #8166EA #EA8166

tetradic

#66EA81 #668DEA #EA66CF #EAC366

square

#66EA81 #668DEA #EA66CF #EAC366

split-complementary

#66EA81 #C366EA #EA668D

monochromatic

#1ABC3B #30E355 #66EA81 #9CF1AD #D2F9DA

Accessibility & contrast

On white

1.54

#66EA81 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.65

#66EA81 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EA81

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EA81	#FFFFFF	#000000	##000000
##66EA81	1.00	1.54	13.65	13.65
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.65	21.00	1.00	1.00
##000000	13.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD879

Deuteranopia (green-blind)

#DBCC88

Tritanopia (blue-blind)

#48E6D1

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #66ea81;
/* rgb */ color: rgb(102, 234, 129);
/* oklch */ color: oklch(83.9% 0.186 147.9);

Tailwind

colors: {
  custom: {
    50: '#9cf2a7',
    500: '#66ea81',
    950: '#000000',
  },
}

SCSS

$custom: #66ea81;
$custom-light: #9cf2a7;
$custom-dark: #000000;

JSON

{
  "hex": "#66ea81",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 129
  },
  "hsl": {
    "h": 132.273,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.83862,
    "c": 0.18552,
    "h": 147.9
  },
  "luminance": 0.63255
}

Semantic roles & 50–950 ramp

primary

#66EA81

secondary

#BB39A0

accent

#0DAFD8

background

#FCFFFC

surface

#F6FEF6

border

#D0D6D0

text

#0F170F

muted

#808580

Preview Lab

Preview with #66EA81

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

Preview Lab → · Contrast checker → · Palette generator →