#66E355#66E355

#66E355 is a light, highly saturated green. Relative luminance 0.584; OKLCH L 81.6% C 0.213 H 141.3°. Best body text is #000000 at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#66E355
RGB	rgb(102, 227, 85)
HSL	hsl(113, 72%, 61%)
HSV	hsv(113, 63%, 89%)
CMYK	cmyk(55.1%, 0%, 62.6%, 11%)
CIE-LAB	lab(80.97, -61.01, 57.33)
CIE-LCH	lch(80.97, 83.72, 136.78°)
OKLab	oklab(81.56% -0.1666 0.1333)
OKLCH	oklch(81.56% 0.213 141.3)
XYZ	xyz(34.5866, 58.4159, 18.0454)
Luminance	0.5842 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E355 #D255E3

analogous

#ADE355 #66E355 #55E38B

triadic

#66E355 #5566E3 #E35566

tetradic

#66E355 #55ADE3 #D255E3 #E38B55

square

#66E355 #55ADE3 #D255E3 #E38B55

split-complementary

#66E355 #8B55E3 #E355AD

monochromatic

#2BA31B #39D723 #66E355 #95EC8A #C5F4BE

Accessibility & contrast

On white

1.66

#66E355 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.68

#66E355 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E355

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E355	#FFFFFF	#000000	##000000
##66E355	1.00	1.66	12.68	12.68
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.68	21.00	1.00	1.00
##000000	12.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8D044

Deuteranopia (green-blind)

#D8C561

Tritanopia (blue-blind)

#55DCC5

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #66e355;
/* rgb */ color: rgb(102, 227, 85);
/* oklch */ color: oklch(81.6% 0.213 141.3);

Tailwind

colors: {
  custom: {
    50: '#9ded8a',
    500: '#66e355',
    950: '#000000',
  },
}

SCSS

$custom: #66e355;
$custom-light: #9ded8a;
$custom-dark: #000000;

JSON

{
  "hex": "#66e355",
  "rgb": {
    "r": 102,
    "g": 227,
    "b": 85
  },
  "hsl": {
    "h": 112.817,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.81557,
    "c": 0.21337,
    "h": 141.3
  },
  "luminance": 0.58419
}

Semantic roles & 50–950 ramp

primary

#66E355

secondary

#9837A5

accent

#12D4BD

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#0F160C

muted

#80857F

Preview Lab

Preview with #66E355

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

Preview Lab → · Contrast checker → · Palette generator →