#66DF4D#66DF4D

#66DF4D is a light, highly saturated green. Relative luminance 0.561; OKLCH L 80.5% C 0.214 H 140.4°. Best body text is #000000 at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#66DF4D
RGB	rgb(102, 223, 77)
HSL	hsl(110, 70%, 59%)
HSV	hsv(110, 65%, 87%)
CMYK	cmyk(54.3%, 0%, 65.5%, 12.5%)
CIE-LAB	lab(79.69, -60.31, 59.21)
CIE-LCH	lch(79.69, 84.52, 135.52°)
OKLab	oklab(80.48% -0.1652 0.1364)
OKLCH	oklch(80.48% 0.214 140.4)
XYZ	xyz(33.2052, 56.1332, 16.1047)
Luminance	0.5614 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DF4D #C64DDF

analogous

#AFDF4D #66DF4D #4DDF7D

triadic

#66DF4D #4D66DF #DF4D66

tetradic

#66DF4D #4DAFDF #C64DDF #DF7D4D

square

#66DF4D #4DAFDF #C64DDF #DF7D4D

split-complementary

#66DF4D #7D4DDF #DF4DAF

monochromatic

#30971B #41CA24 #66DF4D #93E881 #BFF2B5

Accessibility & contrast

On white

1.72

#66DF4D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.23

#66DF4D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DF4D

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DF4D	#FFFFFF	#000000	##000000
##66DF4D	1.00	1.72	12.23	12.23
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.23	21.00	1.00	1.00
##000000	12.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CC3A

Deuteranopia (green-blind)

#D5C25A

Tritanopia (blue-blind)

#58D8C1

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #66df4d;
/* rgb */ color: rgb(102, 223, 77);
/* oklch */ color: oklch(80.5% 0.214 140.4);

Tailwind

colors: {
  custom: {
    50: '#9cea85',
    500: '#66df4d',
    950: '#000000',
  },
}

SCSS

$custom: #66df4d;
$custom-light: #9cea85;
$custom-dark: #000000;

JSON

{
  "hex": "#66df4d",
  "rgb": {
    "r": 102,
    "g": 223,
    "b": 77
  },
  "hsl": {
    "h": 109.726,
    "s": 69.524,
    "l": 58.824
  },
  "oklch": {
    "l": 0.8048,
    "c": 0.21422,
    "h": 140.4
  },
  "luminance": 0.56136
}

Semantic roles & 50–950 ramp

primary

#66DF4D

secondary

#89359B

accent

#3BECCE

background

#FCFEFB

surface

#F6FDF2

border

#D0D5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66DF4D

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

Preview Lab → · Contrast checker → · Palette generator →