#66E649#66E649

#66E649 is a very light, highly saturated green. Relative luminance 0.599; OKLCH L 82.2% C 0.225 H 140.3°. Best body text is #000000 at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#66E649
RGB	rgb(102, 230, 73)
HSL	hsl(109, 76%, 59%)
HSV	hsv(109, 68%, 90%)
CMYK	cmyk(55.7%, 0%, 68.3%, 9.8%)
CIE-LAB	lab(81.78, -63.17, 63.01)
CIE-LCH	lch(81.78, 89.22, 135.07°)
OKLab	oklab(82.2% -0.1732 0.1439)
OKLCH	oklch(82.2% 0.225 140.3)
XYZ	xyz(34.9773, 59.8965, 16.0200)
Luminance	0.5990 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E649 #C949E6

analogous

#B5E649 #66E649 #49E67B

triadic

#66E649 #4966E6 #E64966

tetradic

#66E649 #49B5E6 #C949E6 #E67B49

square

#66E649 #49B5E6 #C949E6 #E67B49

split-complementary

#66E649 #7B49E6 #E649B5

monochromatic

#2F9F16 #3FD51D #66E649 #93ED7F #C0F5B5

Accessibility & contrast

On white

1.62

#66E649 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.98

#66E649 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E649

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E649	#FFFFFF	#000000	##000000
##66E649	1.00	1.62	12.98	12.98
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.98	21.00	1.00	1.00
##000000	12.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD232

Deuteranopia (green-blind)

#DCC758

Tritanopia (blue-blind)

#56DFC7

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #66e649;
/* rgb */ color: rgb(102, 230, 73);
/* oklch */ color: oklch(82.2% 0.225 140.3);

Tailwind

colors: {
  custom: {
    50: '#9eef84',
    500: '#66e649',
    950: '#000000',
  },
}

SCSS

$custom: #66e649;
$custom-light: #9eef84;
$custom-dark: #000000;

JSON

{
  "hex": "#66e649",
  "rgb": {
    "r": 102,
    "g": 230,
    "b": 73
  },
  "hsl": {
    "h": 108.917,
    "s": 75.845,
    "l": 59.412
  },
  "oklch": {
    "l": 0.82195,
    "c": 0.22516,
    "h": 140.3
  },
  "luminance": 0.59899
}

Semantic roles & 50–950 ramp

primary

#66E649

secondary

#8D32A2

accent

#35F2D0

background

#FCFFFB

surface

#F6FEF2

border

#D0D6CC

text

#10160B

muted

#80857E

Preview Lab

Preview with #66E649

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

Preview Lab → · Contrast checker → · Palette generator →