#66E34A#66E34A

#66E34A is a light, highly saturated green. Relative luminance 0.583; OKLCH L 81.5% C 0.221 H 140.3°. Best body text is #000000 at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#66E34A
RGB	rgb(102, 227, 74)
HSL	hsl(109, 73%, 59%)
HSV	hsv(109, 67%, 89%)
CMYK	cmyk(55.1%, 0%, 67.4%, 11%)
CIE-LAB	lab(80.88, -62.01, 61.67)
CIE-LCH	lch(80.88, 87.46, 135.16°)
OKLab	oklab(81.45% -0.17 0.1412)
OKLCH	oklch(81.45% 0.221 140.3)
XYZ	xyz(34.1831, 58.2545, 15.9201)
Luminance	0.5826 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E34A #C74AE3

analogous

#B2E34A #66E34A #4AE37B

triadic

#66E34A #4A66E3 #E34A66

tetradic

#66E34A #4AB2E3 #C74AE3 #E37B4A

square

#66E34A #4AB2E3 #C74AE3 #E37B4A

split-complementary

#66E34A #7B4AE3 #E34AB2

monochromatic

#309B18 #40D020 #66E34A #93EB7F #C0F3B4

Accessibility & contrast

On white

1.66

#66E34A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.65

#66E34A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E34A

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E34A	#FFFFFF	#000000	##000000
##66E34A	1.00	1.66	12.65	12.65
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.65	21.00	1.00	1.00
##000000	12.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9CF34

Deuteranopia (green-blind)

#D9C558

Tritanopia (blue-blind)

#57DCC4

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #66e34a;
/* rgb */ color: rgb(102, 227, 74);
/* oklch */ color: oklch(81.5% 0.221 140.3);

Tailwind

colors: {
  custom: {
    50: '#9ded84',
    500: '#66e34a',
    950: '#000000',
  },
}

SCSS

$custom: #66e34a;
$custom-light: #9ded84;
$custom-dark: #000000;

JSON

{
  "hex": "#66e34a",
  "rgb": {
    "r": 102,
    "g": 227,
    "b": 74
  },
  "hsl": {
    "h": 109.02,
    "s": 73.206,
    "l": 59.02
  },
  "oklch": {
    "l": 0.81454,
    "c": 0.221,
    "h": 140.3
  },
  "luminance": 0.58257
}

Semantic roles & 50–950 ramp

primary

#66E34A

secondary

#8B339E

accent

#38F0CE

background

#FCFFFB

surface

#F6FEF2

border

#D0D6CC

text

#0F160B

muted

#80857E

Preview Lab

Preview with #66E34A

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

Preview Lab → · Contrast checker → · Palette generator →