#66F99D#66F99D

#66F99D is a very light, vivid green. Relative luminance 0.730; OKLCH L 88.0% C 0.180 H 153.0°. Best body text is #000000 at 15.60:1 contrast (WCAG AA passes).

Color values

HEX	#66F99D
RGB	rgb(102, 249, 157)
HSL	hsl(142, 92%, 69%)
HSV	hsv(142, 59%, 98%)
CMYK	cmyk(59%, 0%, 36.9%, 2.4%)
CIE-LAB	lab(88.45, -59.26, 32.69)
CIE-LCH	lch(88.45, 67.68, 151.12°)
OKLab	oklab(88% -0.1605 0.0817)
OKLCH	oklch(88% 0.18 153)
XYZ	xyz(45.4374, 73.0061, 43.5888)
Luminance	0.7301 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F99D #F966C2

analogous

#79F966 #66F99D #66F9E7

triadic

#66F99D #9D66F9 #F99D66

tetradic

#66F99D #6679F9 #F966C2 #F9E766

square

#66F99D #6679F9 #F966C2 #F9E766

split-complementary

#66F99D #E766F9 #F96679

monochromatic

#09DC58 #2BF777 #66F99D #A1FBC3 #DCFEE8

Accessibility & contrast

On white

1.35

#66F99D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.60

#66F99D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F99D

15.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F99D	#FFFFFF	#000000	##000000
##66F99D	1.00	1.35	15.60	15.60
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.60	21.00	1.00	1.00
##000000	15.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9E697

Deuteranopia (green-blind)

#E5D8A3

Tritanopia (blue-blind)

#34F6E2

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66f99d;
/* rgb */ color: rgb(102, 249, 157);
/* oklch */ color: oklch(88.0% 0.180 153.0);

Tailwind

colors: {
  custom: {
    50: '#9efcba',
    500: '#66f99d',
    950: '#000000',
  },
}

SCSS

$custom: #66f99d;
$custom-light: #9efcba;
$custom-dark: #000000;

JSON

{
  "hex": "#66f99d",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 157
  },
  "hsl": {
    "h": 142.449,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.88004,
    "c": 0.18012,
    "h": 153
  },
  "luminance": 0.7301
}

Semantic roles & 50–950 ramp

primary

#66F99D

secondary

#D33096

accent

#0090E6

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#101812

muted

#808682

Preview Lab

Preview with #66F99D

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

Preview Lab → · Contrast checker → · Palette generator →