#66DA66#66DA66

#66DA66 is a light, vivid green. Relative luminance 0.539; OKLCH L 79.5% C 0.188 H 143.6°. Best body text is #000000 at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#66DA66
RGB	rgb(102, 218, 102)
HSL	hsl(120, 61%, 63%)
HSV	hsv(120, 53%, 85%)
CMYK	cmyk(53.2%, 0%, 53.2%, 14.5%)
CIE-LAB	lab(78.42, -55.74, 46.80)
CIE-LCH	lch(78.42, 72.78, 139.98°)
OKLab	oklab(79.51% -0.1515 0.1119)
OKLCH	oklch(79.51% 0.188 143.6)
XYZ	xyz(32.9474, 53.9242, 21.2400)
Luminance	0.5393 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DA66 #DA66DA

analogous

#A0DA66 #66DA66 #66DAA0

triadic

#66DA66 #6666DA #DA6666

tetradic

#66DA66 #66A0DA #DA66DA #DAA066

square

#66DA66 #66A0DA #DA66DA #DAA066

split-complementary

#66DA66 #A066DA #DA66A0

monochromatic

#269F26 #35CE35 #66DA66 #97E697 #C9F2C9

Accessibility & contrast

On white

1.78

#66DA66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.79

#66DA66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DA66

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DA66	#FFFFFF	#000000	##000000
##66DA66	1.00	1.78	11.79	11.79
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.79	21.00	1.00	1.00
##000000	11.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC85B

Deuteranopia (green-blind)

#CFBE6E

Tritanopia (blue-blind)

#54D4C0

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66da66;
/* rgb */ color: rgb(102, 218, 102);
/* oklch */ color: oklch(79.5% 0.188 143.6);

Tailwind

colors: {
  custom: {
    50: '#9be694',
    500: '#66da66',
    950: '#000000',
  },
}

SCSS

$custom: #66da66;
$custom-light: #9be694;
$custom-dark: #000000;

JSON

{
  "hex": "#66da66",
  "rgb": {
    "r": 102,
    "g": 218,
    "b": 102
  },
  "hsl": {
    "h": 120,
    "s": 61.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.79512,
    "c": 0.18837,
    "h": 143.6
  },
  "luminance": 0.53927
}

Semantic roles & 50–950 ramp

primary

#66DA66

secondary

#A341A3

accent

#1DC9C9

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0F160D

muted

#80847F

Preview Lab

Preview with #66DA66

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

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