#66DA8D#66DA8D

#66DA8D is a light, vivid green. Relative luminance 0.549; OKLCH L 80.2% C 0.153 H 152.4°. Best body text is #000000 at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#66DA8D
RGB	rgb(102, 218, 141)
HSL	hsl(140, 61%, 63%)
HSV	hsv(140, 53%, 85%)
CMYK	cmyk(53.2%, 0%, 35.3%, 14.5%)
CIE-LAB	lab(78.98, -49.79, 28.17)
CIE-LCH	lch(78.98, 57.20, 150.50°)
OKLab	oklab(80.15% -0.1352 0.0706)
OKLCH	oklch(80.15% 0.153 152.4)
XYZ	xyz(35.3560, 54.8876, 33.9253)
Luminance	0.5489 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DA8D #DA66B3

analogous

#79DA66 #66DA8D #66DAC7

triadic

#66DA8D #8D66DA #DA8D66

tetradic

#66DA8D #6679DA #DA66B3 #DAC766

square

#66DA8D #6679DA #DA66B3 #DAC766

split-complementary

#66DA8D #C766DA #DA6679

monochromatic

#269F4F #35CE68 #66DA8D #97E6B2 #C9F2D6

Accessibility & contrast

On white

1.75

#66DA8D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.98

#66DA8D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DA8D

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DA8D	#FFFFFF	#000000	##000000
##66DA8D	1.00	1.75	11.98	11.98
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.98	21.00	1.00	1.00
##000000	11.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DACA88

Deuteranopia (green-blind)

#CABF92

Tritanopia (blue-blind)

#48D7C6

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #66da8d;
/* rgb */ color: rgb(102, 218, 141);
/* oklch */ color: oklch(80.2% 0.153 152.4);

Tailwind

colors: {
  custom: {
    50: '#9ae6af',
    500: '#66da8d',
    950: '#000000',
  },
}

SCSS

$custom: #66da8d;
$custom-light: #9ae6af;
$custom-dark: #000000;

JSON

{
  "hex": "#66da8d",
  "rgb": {
    "r": 102,
    "g": 218,
    "b": 141
  },
  "hsl": {
    "h": 140.172,
    "s": 61.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.80153,
    "c": 0.15256,
    "h": 152.4
  },
  "luminance": 0.54891
}

Semantic roles & 50–950 ramp

primary

#66DA8D

secondary

#A34182

accent

#1D8FC9

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0F1610

muted

#808481

Preview Lab

Preview with #66DA8D

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

Preview Lab → · Contrast checker → · Palette generator →