#66D144#66D144

#66D144 is a light, highly saturated green. Relative luminance 0.488; OKLCH L 76.9% C 0.203 H 139.1°. Best body text is #000000 at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#66D144
RGB	rgb(102, 209, 68)
HSL	hsl(106, 61%, 54%)
HSV	hsv(106, 67%, 82%)
CMYK	cmyk(51.2%, 0%, 67.5%, 18%)
CIE-LAB	lab(75.35, -55.91, 58.15)
CIE-LCH	lch(75.35, 80.67, 133.88°)
OKLab	oklab(76.89% -0.1538 0.1331)
OKLCH	oklch(76.89% 0.203 139.1)
XYZ	xyz(29.3222, 48.8408, 13.3498)
Luminance	0.4884 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D144 #AF44D1

analogous

#ADD144 #66D144 #44D169

triadic

#66D144 #4466D1 #D14466

tetradic

#66D144 #44ADD1 #AF44D1 #D16944

square

#66D144 #44ADD1 #AF44D1 #D16944

split-complementary

#66D144 #6944D1 #D144AD

monochromatic

#357C1F #4AAD2B #66D144 #8EDD75 #B6E9A6

Accessibility & contrast

On white

1.95

#66D144 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.77

#66D144 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D144

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D144	#FFFFFF	#000000	##000000
##66D144	1.00	1.95	10.77	10.77
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.77	21.00	1.00	1.00
##000000	10.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF30

Deuteranopia (green-blind)

#C9B651

Tritanopia (blue-blind)

#5CCAB4

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #66d144;
/* rgb */ color: rgb(102, 209, 68);
/* oklch */ color: oklch(76.9% 0.203 139.1);

Tailwind

colors: {
  custom: {
    50: '#9be07f',
    500: '#66d144',
    950: '#000000',
  },
}

SCSS

$custom: #66d144;
$custom-light: #9be07f;
$custom-dark: #000000;

JSON

{
  "hex": "#66d144",
  "rgb": {
    "r": 102,
    "g": 209,
    "b": 68
  },
  "hsl": {
    "h": 105.532,
    "s": 60.515,
    "l": 54.314
  },
  "oklch": {
    "l": 0.76886,
    "c": 0.20342,
    "h": 139.1
  },
  "luminance": 0.48843
}

Semantic roles & 50–950 ramp

primary

#66D144

secondary

#C89AD6

accent

#44E4BD

background

#FAFDF8

surface

#F3FBEF

border

#CDD4CA

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66D144

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

Preview Lab → · Contrast checker → · Palette generator →