#66D64E#66D64E

#66D64E is a light, highly saturated green. Relative luminance 0.515; OKLCH L 78.2% C 0.203 H 140.3°. Best body text is #000000 at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#66D64E
RGB	rgb(102, 214, 78)
HSL	hsl(109, 62%, 57%)
HSV	hsv(109, 64%, 84%)
CMYK	cmyk(52.3%, 0%, 63.6%, 16.1%)
CIE-LAB	lab(76.96, -56.89, 55.82)
CIE-LCH	lch(76.96, 79.70, 135.54°)
OKLab	oklab(78.24% -0.1559 0.1293)
OKLCH	oklch(78.24% 0.203 140.3)
XYZ	xyz(30.8999, 51.4655, 15.5118)
Luminance	0.5147 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D64E #BE4ED6

analogous

#AAD64E #66D64E #4ED67A

triadic

#66D64E #4E66D6 #D64E66

tetradic

#66D64E #4EAAD6 #BE4ED6 #D67A4E

square

#66D64E #4EAAD6 #BE4ED6 #D67A4E

split-complementary

#66D64E #7A4ED6 #D64EAA

monochromatic

#338A20 #45BB2B #66D64E #91E280 #BCEDB1

Accessibility & contrast

On white

1.86

#66D64E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.29

#66D64E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D64E

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D64E	#FFFFFF	#000000	##000000
##66D64E	1.00	1.86	11.29	11.29
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.29	21.00	1.00	1.00
##000000	11.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC43D

Deuteranopia (green-blind)

#CDBA5A

Tritanopia (blue-blind)

#5ACFBA

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #66d64e;
/* rgb */ color: rgb(102, 214, 78);
/* oklch */ color: oklch(78.2% 0.203 140.3);

Tailwind

colors: {
  custom: {
    50: '#9be385',
    500: '#66d64e',
    950: '#000000',
  },
}

SCSS

$custom: #66d64e;
$custom-light: #9be385;
$custom-dark: #000000;

JSON

{
  "hex": "#66d64e",
  "rgb": {
    "r": 102,
    "g": 214,
    "b": 78
  },
  "hsl": {
    "h": 109.412,
    "s": 62.385,
    "l": 57.255
  },
  "oklch": {
    "l": 0.78236,
    "c": 0.20254,
    "h": 140.3
  },
  "luminance": 0.51468
}

Semantic roles & 50–950 ramp

primary

#66D64E

secondary

#803890

accent

#42E5C9

background

#FCFEFB

surface

#F5FCF2

border

#CFD5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66D64E

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

Preview Lab → · Contrast checker → · Palette generator →