#66F9AD#66F9AD

#66F9AD is a very light, vivid green. Relative luminance 0.736; OKLCH L 88.3% C 0.166 H 157.6°. Best body text is #000000 at 15.72:1 contrast (WCAG AA passes).

Color values

HEX	#66F9AD
RGB	rgb(102, 249, 173)
HSL	hsl(149, 92%, 69%)
HSV	hsv(149, 59%, 98%)
CMYK	cmyk(59%, 0%, 30.5%, 2.4%)
CIE-LAB	lab(88.73, -56.32, 24.98)
CIE-LCH	lch(88.73, 61.61, 156.08°)
OKLab	oklab(88.32% -0.1535 0.0633)
OKLCH	oklch(88.32% 0.166 157.6)
XYZ	xyz(46.8939, 73.5887, 51.2598)
Luminance	0.7359 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F9AD #F966B2

analogous

#69F966 #66F9AD #66F9F7

triadic

#66F9AD #AD66F9 #F9AD66

tetradic

#66F9AD #6669F9 #F966B2 #F9F766

square

#66F9AD #6669F9 #F966B2 #F9F766

split-complementary

#66F9AD #F766F9 #F96669

monochromatic

#09DC6F #2BF78D #66F9AD #A1FBCD #DCFEEC

Accessibility & contrast

On white

1.34

#66F9AD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.72

#66F9AD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F9AD

15.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F9AD	#FFFFFF	#000000	##000000
##66F9AD	1.00	1.34	15.72	15.72
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.72	21.00	1.00	1.00
##000000	15.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7E7A8

Deuteranopia (green-blind)

#E3D9B2

Tritanopia (blue-blind)

#26F7E5

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #66f9ad;
/* rgb */ color: rgb(102, 249, 173);
/* oklch */ color: oklch(88.3% 0.166 157.6);

Tailwind

colors: {
  custom: {
    50: '#9efcc5',
    500: '#66f9ad',
    950: '#000000',
  },
}

SCSS

$custom: #66f9ad;
$custom-light: #9efcc5;
$custom-dark: #000000;

JSON

{
  "hex": "#66f9ad",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 173
  },
  "hsl": {
    "h": 148.98,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.88323,
    "c": 0.16605,
    "h": 157.6
  },
  "luminance": 0.73593
}

Semantic roles & 50–950 ramp

primary

#66F9AD

secondary

#D33084

accent

#0077E6

background

#FCFFFD

surface

#F6FFF9

border

#D0D7D2

text

#101813

muted

#808682

Preview Lab

Preview with #66F9AD

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

Preview Lab → · Contrast checker → · Palette generator →