#66EF9D#66EF9D

#66EF9D is a very light, vivid green. Relative luminance 0.670; OKLCH L 85.6% C 0.167 H 154.3°. Best body text is #000000 at 14.40:1 contrast (WCAG AA passes).

Color values

HEX	#66EF9D
RGB	rgb(102, 239, 157)
HSL	hsl(144, 81%, 67%)
HSV	hsv(144, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 34.3%, 6.3%)
CIE-LAB	lab(85.50, -55.36, 28.73)
CIE-LCH	lch(85.50, 62.38, 152.57°)
OKLab	oklab(85.58% -0.1503 0.0722)
OKLCH	oklch(85.58% 0.167 154.3)
XYZ	xyz(42.4284, 66.9881, 42.5858)
Luminance	0.6699 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EF9D #EF66B8

analogous

#74EF66 #66EF9D #66EFE2

triadic

#66EF9D #9D66EF #EF9D66

tetradic

#66EF9D #6674EF #EF66B8 #EFE266

square

#66EF9D #6674EF #EF66B8 #EFE266

split-complementary

#66EF9D #E266EF #EF6674

monochromatic

#15C65C #2FE97A #66EF9D #9DF5C0 #D5FBE4

Accessibility & contrast

On white

1.46

#66EF9D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.40

#66EF9D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EF9D

14.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EF9D	#FFFFFF	#000000	##000000
##66EF9D	1.00	1.46	14.40	14.40
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.40	21.00	1.00	1.00
##000000	14.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFDE98

Deuteranopia (green-blind)

#DCD0A2

Tritanopia (blue-blind)

#39ECDA

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #66ef9d;
/* rgb */ color: rgb(102, 239, 157);
/* oklch */ color: oklch(85.6% 0.167 154.3);

Tailwind

colors: {
  custom: {
    50: '#9cf5ba',
    500: '#66ef9d',
    950: '#000000',
  },
}

SCSS

$custom: #66ef9d;
$custom-light: #9cf5ba;
$custom-dark: #000000;

JSON

{
  "hex": "#66ef9d",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 157
  },
  "hsl": {
    "h": 144.088,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.85583,
    "c": 0.16679,
    "h": 154.3
  },
  "luminance": 0.66992
}

Semantic roles & 50–950 ramp

primary

#66EF9D

secondary

#C3368B

accent

#0888DD

background

#FCFFFD

surface

#F6FEF8

border

#D0D6D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #66EF9D

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

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