#66EC84#66EC84

#66EC84 is a very light, vivid green. Relative luminance 0.645; OKLCH L 84.4% C 0.185 H 148.4°. Best body text is #000000 at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#66EC84
RGB	rgb(102, 236, 132)
HSL	hsl(133, 78%, 66%)
HSV	hsv(133, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 44.1%, 7.5%)
CIE-LAB	lab(84.21, -58.40, 39.56)
CIE-LCH	lch(84.21, 70.54, 145.89°)
OKLab	oklab(84.4% -0.158 0.0971)
OKLCH	oklch(84.4% 0.185 148.4)
XYZ	xyz(39.6371, 64.4780, 32.1820)
Luminance	0.6448 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EC84 #EC66CE

analogous

#8BEC66 #66EC84 #66ECC7

triadic

#66EC84 #8466EC #EC8466

tetradic

#66EC84 #668BEC #EC66CE #ECC766

square

#66EC84 #668BEC #EC66CE #ECC766

split-complementary

#66EC84 #C766EC #EC668B

monochromatic

#18C03D #30E558 #66EC84 #9CF3B0 #D3FADC

Accessibility & contrast

On white

1.51

#66EC84 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.90

#66EC84 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EC84

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EC84	#FFFFFF	#000000	##000000
##66EC84	1.00	1.51	13.90	13.90
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.90	21.00	1.00	1.00
##000000	13.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EEDA7C

Deuteranopia (green-blind)

#DCCD8B

Tritanopia (blue-blind)

#46E8D3

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66ec84;
/* rgb */ color: rgb(102, 236, 132);
/* oklch */ color: oklch(84.4% 0.185 148.4);

Tailwind

colors: {
  custom: {
    50: '#9cf3a9',
    500: '#66ec84',
    950: '#000000',
  },
}

SCSS

$custom: #66ec84;
$custom-light: #9cf3a9;
$custom-dark: #000000;

JSON

{
  "hex": "#66ec84",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 132
  },
  "hsl": {
    "h": 133.433,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.84401,
    "c": 0.18546,
    "h": 148.4
  },
  "luminance": 0.64482
}

Semantic roles & 50–950 ramp

primary

#66EC84

secondary

#BE38A0

accent

#0BACDA

background

#FCFFFD

surface

#F6FEF7

border

#D0D6D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #66EC84

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

Preview Lab → · Contrast checker → · Palette generator →