#66EA9F#66EA9F

#66EA9F is a very light, vivid green. Relative luminance 0.642; OKLCH L 84.4% C 0.158 H 155.7°. Best body text is #000000 at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#66EA9F
RGB	rgb(102, 234, 159)
HSL	hsl(146, 76%, 66%)
HSV	hsv(146, 56%, 92%)
CMYK	cmyk(56.4%, 0%, 32.1%, 8.2%)
CIE-LAB	lab(84.05, -53.00, 25.76)
CIE-LCH	lch(84.05, 58.92, 154.08°)
OKLab	oklab(84.41% -0.1443 0.065)
OKLCH	oklch(84.41% 0.158 155.7)
XYZ	xyz(41.1569, 64.1698, 43.0113)
Luminance	0.6417 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EA9F #EA66B1

analogous

#6FEA66 #66EA9F #66EAE1

triadic

#66EA9F #9F66EA #EA9F66

tetradic

#66EA9F #666FEA #EA66B1 #EAE166

square

#66EA9F #666FEA #EA66B1 #EAE166

split-complementary

#66EA9F #E166EA #EA666F

monochromatic

#1ABC60 #30E37D #66EA9F #9CF1C1 #D2F9E3

Accessibility & contrast

On white

1.52

#66EA9F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.83

#66EA9F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EA9F

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EA9F	#FFFFFF	#000000	##000000
##66EA9F	1.00	1.52	13.83	13.83
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.83	21.00	1.00	1.00
##000000	13.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D99A

Deuteranopia (green-blind)

#D7CCA4

Tritanopia (blue-blind)

#3AE8D6

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66ea9f;
/* rgb */ color: rgb(102, 234, 159);
/* oklch */ color: oklch(84.4% 0.158 155.7);

Tailwind

colors: {
  custom: {
    50: '#9cf1bb',
    500: '#66ea9f',
    950: '#000000',
  },
}

SCSS

$custom: #66ea9f;
$custom-light: #9cf1bb;
$custom-dark: #000000;

JSON

{
  "hex": "#66ea9f",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 159
  },
  "hsl": {
    "h": 145.909,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.84412,
    "c": 0.15824,
    "h": 155.7
  },
  "luminance": 0.64174
}

Semantic roles & 50–950 ramp

primary

#66EA9F

secondary

#BB3983

accent

#0D81D8

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66EA9F

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

Preview Lab → · Contrast checker → · Palette generator →