#66EA8B#66EA8B

#66EA8B is a very light, vivid green. Relative luminance 0.635; OKLCH L 84.0% C 0.176 H 150.1°. Best body text is #000000 at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#66EA8B
RGB	rgb(102, 234, 139)
HSL	hsl(137, 76%, 66%)
HSV	hsv(137, 56%, 92%)
CMYK	cmyk(56.4%, 0%, 40.6%, 8.2%)
CIE-LAB	lab(83.72, -56.52, 35.45)
CIE-LCH	lch(83.72, 66.72, 147.90°)
OKLab	oklab(84.03% -0.153 0.0878)
OKLCH	oklch(84.03% 0.176 150.1)
XYZ	xyz(39.5597, 63.5309, 34.5991)
Luminance	0.6353 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EA8B #EA66C5

analogous

#83EA66 #66EA8B #66EACD

triadic

#66EA8B #8B66EA #EA8B66

tetradic

#66EA8B #6683EA #EA66C5 #EACD66

square

#66EA8B #6683EA #EA66C5 #EACD66

split-complementary

#66EA8B #CD66EA #EA6683

monochromatic

#1ABC47 #30E362 #66EA8B #9CF1B4 #D2F9DD

Accessibility & contrast

On white

1.53

#66EA8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.71

#66EA8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EA8B

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EA8B	#FFFFFF	#000000	##000000
##66EA8B	1.00	1.53	13.71	13.71
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.71	21.00	1.00	1.00
##000000	13.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD884

Deuteranopia (green-blind)

#DACC91

Tritanopia (blue-blind)

#44E6D3

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66ea8b;
/* rgb */ color: rgb(102, 234, 139);
/* oklch */ color: oklch(84.0% 0.176 150.1);

Tailwind

colors: {
  custom: {
    50: '#9cf2ae',
    500: '#66ea8b',
    950: '#000000',
  },
}

SCSS

$custom: #66ea8b;
$custom-light: #9cf2ae;
$custom-dark: #000000;

JSON

{
  "hex": "#66ea8b",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 139
  },
  "hsl": {
    "h": 136.818,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.8403,
    "c": 0.17641,
    "h": 150.1
  },
  "luminance": 0.63534
}

Semantic roles & 50–950 ramp

primary

#66EA8B

secondary

#BB3997

accent

#0D9FD8

background

#FCFFFD

surface

#F6FEF7

border

#D0D6D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #66EA8B

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

Preview Lab → · Contrast checker → · Palette generator →