#66EA8F#66EA8F

#66EA8F is a very light, vivid green. Relative luminance 0.637; OKLCH L 84.1% C 0.173 H 151.1°. Best body text is #000000 at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#66EA8F
RGB	rgb(102, 234, 143)
HSL	hsl(139, 76%, 66%)
HSV	hsv(139, 56%, 92%)
CMYK	cmyk(56.4%, 0%, 38.9%, 8.2%)
CIE-LAB	lab(83.78, -55.85, 33.53)
CIE-LCH	lch(83.78, 65.14, 149.02°)
OKLab	oklab(84.1% -0.1513 0.0834)
OKLCH	oklch(84.1% 0.173 151.1)
XYZ	xyz(39.8573, 63.6499, 36.1665)
Luminance	0.6365 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EA8F #EA66C1

analogous

#7FEA66 #66EA8F #66EAD1

triadic

#66EA8F #8F66EA #EA8F66

tetradic

#66EA8F #667FEA #EA66C1 #EAD166

square

#66EA8F #667FEA #EA66C1 #EAD166

split-complementary

#66EA8F #D166EA #EA667F

monochromatic

#1ABC4C #30E368 #66EA8F #9CF1B6 #D2F9DE

Accessibility & contrast

On white

1.53

#66EA8F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.73

#66EA8F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EA8F

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EA8F	#FFFFFF	#000000	##000000
##66EA8F	1.00	1.53	13.73	13.73
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.73	21.00	1.00	1.00
##000000	13.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD889

Deuteranopia (green-blind)

#D9CC95

Tritanopia (blue-blind)

#42E7D3

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66ea8f;
/* rgb */ color: rgb(102, 234, 143);
/* oklch */ color: oklch(84.1% 0.173 151.1);

Tailwind

colors: {
  custom: {
    50: '#9cf2b0',
    500: '#66ea8f',
    950: '#000000',
  },
}

SCSS

$custom: #66ea8f;
$custom-light: #9cf2b0;
$custom-dark: #000000;

JSON

{
  "hex": "#66ea8f",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 143
  },
  "hsl": {
    "h": 138.636,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.84101,
    "c": 0.17275,
    "h": 151.1
  },
  "luminance": 0.63654
}

Semantic roles & 50–950 ramp

primary

#66EA8F

secondary

#BB3993

accent

#0D99D8

background

#FCFFFD

surface

#F6FEF7

border

#D0D6D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #66EA8F

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

Preview Lab → · Contrast checker → · Palette generator →