#66D149#66D149

#66D149 is a light, vivid green. Relative luminance 0.489; OKLCH L 76.9% C 0.200 H 139.6°. Best body text is #000000 at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#66D149
RGB	rgb(102, 209, 73)
HSL	hsl(107, 60%, 55%)
HSV	hsv(107, 65%, 82%)
CMYK	cmyk(51.2%, 0%, 65.1%, 18%)
CIE-LAB	lab(75.39, -55.47, 56.18)
CIE-LCH	lch(75.39, 78.95, 134.64°)
OKLab	oklab(76.93% -0.1523 0.1296)
OKLCH	oklch(76.93% 0.2 139.6)
XYZ	xyz(29.4814, 48.9045, 14.1880)
Luminance	0.4891 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D149 #B449D1

analogous

#AAD149 #66D149 #49D170

triadic

#66D149 #4966D1 #D14966

tetradic

#66D149 #49AAD1 #B449D1 #D17049

square

#66D149 #49AAD1 #B449D1 #D17049

split-complementary

#66D149 #7049D1 #D149AA

monochromatic

#347F20 #49B02D #66D149 #8FDD7A #B8EAAB

Accessibility & contrast

On white

1.95

#66D149 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.78

#66D149 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D149

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D149	#FFFFFF	#000000	##000000
##66D149	1.00	1.95	10.78	10.78
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.78	21.00	1.00	1.00
##000000	10.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF38

Deuteranopia (green-blind)

#C9B655

Tritanopia (blue-blind)

#5CCAB5

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #66d149;
/* rgb */ color: rgb(102, 209, 73);
/* oklch */ color: oklch(76.9% 0.200 139.6);

Tailwind

colors: {
  custom: {
    50: '#9be082',
    500: '#66d149',
    950: '#000000',
  },
}

SCSS

$custom: #66d149;
$custom-light: #9be082;
$custom-dark: #000000;

JSON

{
  "hex": "#66d149",
  "rgb": {
    "r": 102,
    "g": 209,
    "b": 73
  },
  "hsl": {
    "h": 107.206,
    "s": 59.649,
    "l": 55.294
  },
  "oklch": {
    "l": 0.76932,
    "c": 0.19996,
    "h": 139.6
  },
  "luminance": 0.48907
}

Semantic roles & 50–950 ramp

primary

#66D149

secondary

#CB9ED7

accent

#45E3C1

background

#FAFDF8

surface

#F3FBEF

border

#CDD4CA

text

#0F150B

muted

#7F837C

Preview Lab

Preview with #66D149

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

Preview Lab → · Contrast checker → · Palette generator →