#66F99C#66F99C

#66F99C is a very light, vivid green. Relative luminance 0.730; OKLCH L 88.0% C 0.181 H 152.8°. Best body text is #000000 at 15.60:1 contrast (WCAG AA passes).

Color values

HEX	#66F99C
RGB	rgb(102, 249, 156)
HSL	hsl(142, 92%, 69%)
HSV	hsv(142, 59%, 98%)
CMYK	cmyk(59%, 0%, 37.3%, 2.4%)
CIE-LAB	lab(88.43, -59.44, 33.16)
CIE-LCH	lch(88.43, 68.06, 150.84°)
OKLab	oklab(87.99% -0.161 0.0828)
OKLCH	oklch(87.99% 0.181 152.8)
XYZ	xyz(45.3523, 72.9721, 43.1410)
Luminance	0.7298 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F99C #F966C3

analogous

#7AF966 #66F99C #66F9E6

triadic

#66F99C #9C66F9 #F99C66

tetradic

#66F99C #667AF9 #F966C3 #F9E666

square

#66F99C #667AF9 #F966C3 #F9E666

split-complementary

#66F99C #E666F9 #F9667A

monochromatic

#09DC56 #2BF776 #66F99C #A1FBC2 #DCFEE8

Accessibility & contrast

On white

1.35

#66F99C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.60

#66F99C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F99C

15.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F99C	#FFFFFF	#000000	##000000
##66F99C	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)

#F9E696

Deuteranopia (green-blind)

#E6D8A2

Tritanopia (blue-blind)

#34F6E1

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66f99c;
/* rgb */ color: rgb(102, 249, 156);
/* oklch */ color: oklch(88.0% 0.181 152.8);

Tailwind

colors: {
  custom: {
    50: '#9efcba',
    500: '#66f99c',
    950: '#000000',
  },
}

SCSS

$custom: #66f99c;
$custom-light: #9efcba;
$custom-dark: #000000;

JSON

{
  "hex": "#66f99c",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 156
  },
  "hsl": {
    "h": 142.041,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.87986,
    "c": 0.18102,
    "h": 152.8
  },
  "luminance": 0.72976
}

Semantic roles & 50–950 ramp

primary

#66F99C

secondary

#D33097

accent

#0091E6

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#101811

muted

#808681

Preview Lab

Preview with #66F99C

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

Preview Lab → · Contrast checker → · Palette generator →