#66EC66#66EC66

#66EC66 is a very light, highly saturated green. Relative luminance 0.638; OKLCH L 84.0% C 0.211 H 143.4°. Best body text is #000000 at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#66EC66
RGB	rgb(102, 236, 102)
HSL	hsl(120, 78%, 66%)
HSV	hsv(120, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 56.8%, 7.5%)
CIE-LAB	lab(83.85, -62.45, 53.24)
CIE-LCH	lch(83.85, 82.07, 139.55°)
OKLab	oklab(83.98% -0.1697 0.126)
OKLCH	oklch(83.98% 0.211 143.4)
XYZ	xyz(37.8711, 63.7716, 22.8812)
Luminance	0.6378 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EC66 #EC66EC

analogous

#A9EC66 #66EC66 #66ECA9

triadic

#66EC66 #6666EC #EC6666

tetradic

#66EC66 #66A9EC #EC66EC #ECA966

square

#66EC66 #66A9EC #EC66EC #ECA966

split-complementary

#66EC66 #A966EC #EC66A9

monochromatic

#18C018 #30E530 #66EC66 #9CF39C #D3FAD3

Accessibility & contrast

On white

1.53

#66EC66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.76

#66EC66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EC66

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EC66	#FFFFFF	#000000	##000000
##66EC66	1.00	1.53	13.76	13.76
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.76	21.00	1.00	1.00
##000000	13.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1D859

Deuteranopia (green-blind)

#DFCD70

Tritanopia (blue-blind)

#4FE6CF

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66ec66;
/* rgb */ color: rgb(102, 236, 102);
/* oklch */ color: oklch(84.0% 0.211 143.4);

Tailwind

colors: {
  custom: {
    50: '#9df395',
    500: '#66ec66',
    950: '#000000',
  },
}

SCSS

$custom: #66ec66;
$custom-light: #9df395;
$custom-dark: #000000;

JSON

{
  "hex": "#66ec66",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 102
  },
  "hsl": {
    "h": 120,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.8398,
    "c": 0.21135,
    "h": 143.4
  },
  "luminance": 0.63775
}

Semantic roles & 50–950 ramp

primary

#66EC66

secondary

#BE38BE

accent

#0BDADA

background

#FCFFFC

surface

#F6FEF5

border

#D0D6CF

text

#0F170E

muted

#80857F

Preview Lab

Preview with #66EC66

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

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