#66F443#66F443

#66F443 is a very light, highly saturated green. Relative luminance 0.679; OKLCH L 85.6% C 0.245 H 140.2°. Best body text is #000000 at 14.59:1 contrast (WCAG AA passes).

Color values

HEX	#66F443
RGB	rgb(102, 244, 67)
HSL	hsl(108, 89%, 61%)
HSV	hsv(108, 73%, 96%)
CMYK	cmyk(58.2%, 0%, 72.5%, 4.3%)
CIE-LAB	lab(85.97, -68.49, 69.46)
CIE-LCH	lch(85.97, 97.54, 134.60°)
OKLab	oklab(85.64% -0.1879 0.1567)
OKLCH	oklch(85.64% 0.245 140.2)
XYZ	xyz(38.8415, 67.9279, 16.3736)
Luminance	0.6793 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F443 #D143F4

analogous

#BEF443 #66F443 #43F478

triadic

#66F443 #4366F4 #F44366

tetradic

#66F443 #43BEF4 #D143F4 #F47843

square

#66F443 #43BEF4 #D143F4 #F47843

split-complementary

#66F443 #7843F4 #F443BE

monochromatic

#2CB20A #3AEC0E #66F443 #95F77D #C4FBB7

Accessibility & contrast

On white

1.44

#66F443 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.59

#66F443 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F443

14.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F443	#FFFFFF	#000000	##000000
##66F443	1.00	1.44	14.59	14.59
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.59	21.00	1.00	1.00
##000000	14.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBDE21

Deuteranopia (green-blind)

#E9D355

Tritanopia (blue-blind)

#53ECD2

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66f443;
/* rgb */ color: rgb(102, 244, 67);
/* oklch */ color: oklch(85.6% 0.245 140.2);

Tailwind

colors: {
  custom: {
    50: '#a0f982',
    500: '#66f443',
    950: '#000000',
  },
}

SCSS

$custom: #66f443;
$custom-light: #a0f982;
$custom-dark: #000000;

JSON

{
  "hex": "#66f443",
  "rgb": {
    "r": 102,
    "g": 244,
    "b": 67
  },
  "hsl": {
    "h": 108.136,
    "s": 88.945,
    "l": 60.98
  },
  "oklch": {
    "l": 0.85641,
    "c": 0.24462,
    "h": 140.2
  },
  "luminance": 0.67931
}

Semantic roles & 50–950 ramp

primary

#66F443

secondary

#9729B2

accent

#00E6B8

background

#FDFFFB

surface

#F7FFF2

border

#D0D7CC

text

#10170B

muted

#81857E

Preview Lab

Preview with #66F443

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

Preview Lab → · Contrast checker → · Palette generator →