#66DB4D#66DB4D

#66DB4D is a light, highly saturated green. Relative luminance 0.540; OKLCH L 79.5% C 0.209 H 140.3°. Best body text is #000000 at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#66DB4D
RGB	rgb(102, 219, 77)
HSL	hsl(109, 66%, 58%)
HSV	hsv(109, 65%, 86%)
CMYK	cmyk(53.4%, 0%, 64.8%, 14.1%)
CIE-LAB	lab(78.47, -58.84, 57.89)
CIE-LCH	lch(78.47, 82.55, 135.47°)
OKLab	oklab(79.48% -0.1612 0.1336)
OKLCH	oklch(79.48% 0.209 140.3)
XYZ	xyz(32.1492, 54.0210, 15.7527)
Luminance	0.5402 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DB4D #C24DDB

analogous

#ADDB4D #66DB4D #4DDB7B

triadic

#66DB4D #4D66DB #DB4D66

tetradic

#66DB4D #4DADDB #C24DDB #DB7B4D

square

#66DB4D #4DADDB #C24DDB #DB7B4D

split-complementary

#66DB4D #7B4DDB #DB4DAD

monochromatic

#31901D #43C327 #66DB4D #92E580 #BEF0B3

Accessibility & contrast

On white

1.78

#66DB4D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.80

#66DB4D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DB4D

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DB4D	#FFFFFF	#000000	##000000
##66DB4D	1.00	1.78	11.80	11.80
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.80	21.00	1.00	1.00
##000000	11.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C83B

Deuteranopia (green-blind)

#D2BE59

Tritanopia (blue-blind)

#59D4BE

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66db4d;
/* rgb */ color: rgb(102, 219, 77);
/* oklch */ color: oklch(79.5% 0.209 140.3);

Tailwind

colors: {
  custom: {
    50: '#9ce785',
    500: '#66db4d',
    950: '#000000',
  },
}

SCSS

$custom: #66db4d;
$custom-light: #9ce785;
$custom-dark: #000000;

JSON

{
  "hex": "#66db4d",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 77
  },
  "hsl": {
    "h": 109.437,
    "s": 66.355,
    "l": 58.039
  },
  "oklch": {
    "l": 0.79479,
    "c": 0.20939,
    "h": 140.3
  },
  "luminance": 0.54024
}

Semantic roles & 50–950 ramp

primary

#66DB4D

secondary

#853796

accent

#3FE9CB

background

#FCFEFB

surface

#F6FDF2

border

#D0D5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66DB4D

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

Preview Lab → · Contrast checker → · Palette generator →