#66D844#66D844

#66D844 is a light, highly saturated green. Relative luminance 0.524; OKLCH L 78.6% C 0.212 H 139.4°. Best body text is #000000 at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#66D844
RGB	rgb(102, 216, 68)
HSL	hsl(106, 65%, 56%)
HSV	hsv(106, 69%, 85%)
CMYK	cmyk(52.8%, 0%, 68.5%, 15.3%)
CIE-LAB	lab(77.49, -58.52, 60.40)
CIE-LCH	lch(77.49, 84.10, 134.09°)
OKLab	oklab(78.65% -0.1609 0.1379)
OKLCH	oklch(78.65% 0.212 139.4)
XYZ	xyz(31.0775, 52.3514, 13.9349)
Luminance	0.5235 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D844 #B644D8

analogous

#B0D844 #66D844 #44D86C

triadic

#66D844 #4466D8 #D84466

tetradic

#66D844 #44B0D8 #B644D8 #D86C44

square

#66D844 #44B0D8 #B644D8 #D86C44

split-complementary

#66D844 #6C44D8 #D844B0

monochromatic

#34861C #48B826 #66D844 #8FE377 #B9EDA9

Accessibility & contrast

On white

1.83

#66D844 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.47

#66D844 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D844

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D844	#FFFFFF	#000000	##000000
##66D844	1.00	1.83	11.47	11.47
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.47	21.00	1.00	1.00
##000000	11.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC52E

Deuteranopia (green-blind)

#CFBC52

Tritanopia (blue-blind)

#5BD1BA

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #66d844;
/* rgb */ color: rgb(102, 216, 68);
/* oklch */ color: oklch(78.6% 0.212 139.4);

Tailwind

colors: {
  custom: {
    50: '#9ce57f',
    500: '#66d844',
    950: '#000000',
  },
}

SCSS

$custom: #66d844;
$custom-light: #9ce57f;
$custom-dark: #000000;

JSON

{
  "hex": "#66d844",
  "rgb": {
    "r": 102,
    "g": 216,
    "b": 68
  },
  "hsl": {
    "h": 106.216,
    "s": 65.487,
    "l": 55.686
  },
  "oklch": {
    "l": 0.78647,
    "c": 0.21185,
    "h": 139.4
  },
  "luminance": 0.52354
}

Semantic roles & 50–950 ramp

primary

#66D844

secondary

#78348C

accent

#3FE8C2

background

#FCFEFB

surface

#F6FCF2

border

#D0D5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66D844

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

Preview Lab → · Contrast checker → · Palette generator →