#66EEA4#66EEA4

#66EEA4 is a very light, vivid green. Relative luminance 0.667; OKLCH L 85.5% C 0.159 H 156.7°. Best body text is #000000 at 14.33:1 contrast (WCAG AA passes).

Color values

HEX	#66EEA4
RGB	rgb(102, 238, 164)
HSL	hsl(147, 80%, 67%)
HSV	hsv(147, 57%, 93%)
CMYK	cmyk(57.1%, 0%, 31.1%, 6.7%)
CIE-LAB	lab(85.33, -53.66, 24.93)
CIE-LCH	lch(85.33, 59.17, 155.08°)
OKLab	oklab(85.48% -0.1462 0.0631)
OKLCH	oklch(85.48% 0.159 156.7)
XYZ	xyz(42.7513, 66.6501, 45.7266)
Luminance	0.6665 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EEA4 #EE66B0

analogous

#6CEE66 #66EEA4 #66EEE8

triadic

#66EEA4 #A466EE #EEA466

tetradic

#66EEA4 #666CEE #EE66B0 #EEE866

square

#66EEA4 #666CEE #EE66B0 #EEE866

split-complementary

#66EEA4 #E866EE #EE666C

monochromatic

#16C465 #2FE883 #66EEA4 #9DF4C5 #D4FAE6

Accessibility & contrast

On white

1.47

#66EEA4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.33

#66EEA4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EEA4

14.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EEA4	#FFFFFF	#000000	##000000
##66EEA4	1.00	1.47	14.33	14.33
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.33	21.00	1.00	1.00
##000000	14.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDDD9F

Deuteranopia (green-blind)

#DAD0A9

Tritanopia (blue-blind)

#34ECDA

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #66eea4;
/* rgb */ color: rgb(102, 238, 164);
/* oklch */ color: oklch(85.5% 0.159 156.7);

Tailwind

colors: {
  custom: {
    50: '#9cf4bf',
    500: '#66eea4',
    950: '#000000',
  },
}

SCSS

$custom: #66eea4;
$custom-light: #9cf4bf;
$custom-dark: #000000;

JSON

{
  "hex": "#66eea4",
  "rgb": {
    "r": 102,
    "g": 238,
    "b": 164
  },
  "hsl": {
    "h": 147.353,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.85484,
    "c": 0.15923,
    "h": 156.7
  },
  "luminance": 0.66654
}

Semantic roles & 50–950 ramp

primary

#66EEA4

secondary

#C23782

accent

#097CDC

background

#FCFFFD

surface

#F6FEF8

border

#D0D6D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66EEA4

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

Preview Lab → · Contrast checker → · Palette generator →