#66DA64#66DA64

#66DA64 is a light, vivid green. Relative luminance 0.539; OKLCH L 79.5% C 0.190 H 143.2°. Best body text is #000000 at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#66DA64
RGB	rgb(102, 218, 100)
HSL	hsl(119, 61%, 62%)
HSV	hsv(119, 54%, 85%)
CMYK	cmyk(53.2%, 0%, 54.1%, 14.5%)
CIE-LAB	lab(78.39, -55.99, 47.70)
CIE-LCH	lch(78.39, 73.55, 139.57°)
OKLab	oklab(79.49% -0.1523 0.1138)
OKLCH	oklch(79.49% 0.19 143.2)
XYZ	xyz(32.8494, 53.8850, 20.7239)
Luminance	0.5389 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DA64 #D864DA

analogous

#A1DA64 #66DA64 #64DA9D

triadic

#66DA64 #6466DA #DA6466

tetradic

#66DA64 #64A1DA #D864DA #DA9D64

square

#66DA64 #64A1DA #D864DA #DA9D64

split-complementary

#66DA64 #9D64DA #DA64A1

monochromatic

#289E26 #35CE33 #66DA64 #97E695 #C8F2C7

Accessibility & contrast

On white

1.78

#66DA64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.78

#66DA64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DA64

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DA64	#FFFFFF	#000000	##000000
##66DA64	1.00	1.78	11.78	11.78
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.78	21.00	1.00	1.00
##000000	11.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC859

Deuteranopia (green-blind)

#CFBE6D

Tritanopia (blue-blind)

#55D4C0

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66da64;
/* rgb */ color: rgb(102, 218, 100);
/* oklch */ color: oklch(79.5% 0.190 143.2);

Tailwind

colors: {
  custom: {
    50: '#9be693',
    500: '#66da64',
    950: '#000000',
  },
}

SCSS

$custom: #66da64;
$custom-light: #9be693;
$custom-dark: #000000;

JSON

{
  "hex": "#66da64",
  "rgb": {
    "r": 102,
    "g": 218,
    "b": 100
  },
  "hsl": {
    "h": 118.983,
    "s": 61.458,
    "l": 62.353
  },
  "oklch": {
    "l": 0.79486,
    "c": 0.19009,
    "h": 143.2
  },
  "luminance": 0.53888
}

Semantic roles & 50–950 ramp

primary

#66DA64

secondary

#A040A2

accent

#1CC9C6

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0F160D

muted

#80847F

Preview Lab

Preview with #66DA64

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

Preview Lab → · Contrast checker → · Palette generator →