#66E366#66E366

#66E366 is a light, highly saturated green. Relative luminance 0.587; OKLCH L 81.7% C 0.200 H 143.5°. Best body text is #000000 at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#66E366
RGB	rgb(102, 227, 102)
HSL	hsl(120, 69%, 65%)
HSV	hsv(120, 55%, 89%)
CMYK	cmyk(55.1%, 0%, 55.1%, 11%)
CIE-LAB	lab(81.14, -59.14, 50.05)
CIE-LCH	lch(81.14, 77.47, 139.76°)
OKLab	oklab(81.75% -0.1607 0.119)
OKLCH	oklch(81.75% 0.2 143.5)
XYZ	xyz(35.3449, 58.7192, 22.0392)
Luminance	0.5872 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E366 #E366E3

analogous

#A5E366 #66E366 #66E3A5

triadic

#66E366 #6666E3 #E36666

tetradic

#66E366 #66A5E3 #E366E3 #E3A566

square

#66E366 #66A5E3 #E366E3 #E3A566

split-complementary

#66E366 #A566E3 #E366A5

monochromatic

#20AF20 #32DA32 #66E366 #9AEC9A #CDF6CD

Accessibility & contrast

On white

1.65

#66E366 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.74

#66E366 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E366

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E366	#FFFFFF	#000000	##000000
##66E366	1.00	1.65	12.74	12.74
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.74	21.00	1.00	1.00
##000000	12.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7D05A

Deuteranopia (green-blind)

#D7C56F

Tritanopia (blue-blind)

#52DDC7

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #66e366;
/* rgb */ color: rgb(102, 227, 102);
/* oklch */ color: oklch(81.7% 0.200 143.5);

Tailwind

colors: {
  custom: {
    50: '#9ced95',
    500: '#66e366',
    950: '#000000',
  },
}

SCSS

$custom: #66e366;
$custom-light: #9ced95;
$custom-dark: #000000;

JSON

{
  "hex": "#66e366",
  "rgb": {
    "r": 102,
    "g": 227,
    "b": 102
  },
  "hsl": {
    "h": 120,
    "s": 69.061,
    "l": 64.51
  },
  "oklch": {
    "l": 0.81749,
    "c": 0.20001,
    "h": 143.5
  },
  "luminance": 0.58722
}

Semantic roles & 50–950 ramp

primary

#66E366

secondary

#B03DB0

accent

#14D1D1

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#0F160D

muted

#80857F

Preview Lab

Preview with #66E366

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

Preview Lab → · Contrast checker → · Palette generator →