#66EF63#66EF63

#66EF63 is a very light, highly saturated green. Relative luminance 0.655; OKLCH L 84.7% C 0.217 H 143.0°. Best body text is #000000 at 14.09:1 contrast (WCAG AA passes).

Color values

HEX	#66EF63
RGB	rgb(102, 239, 99)
HSL	hsl(119, 81%, 66%)
HSV	hsv(119, 59%, 94%)
CMYK	cmyk(57.3%, 0%, 58.6%, 6.3%)
CIE-LAB	lab(84.72, -63.87, 55.58)
CIE-LCH	lch(84.72, 84.67, 138.97°)
OKLab	oklab(84.69% -0.1737 0.1308)
OKLCH	oklch(84.69% 0.217 143)
XYZ	xyz(38.5960, 65.4552, 22.4021)
Luminance	0.6546 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EF63 #EC63EF

analogous

#ACEF63 #66EF63 #63EFA6

triadic

#66EF63 #6366EF #EF6366

tetradic

#66EF63 #63ACEF #EC63EF #EFA663

square

#66EF63 #63ACEF #EC63EF #EFA663

split-complementary

#66EF63 #A663EF #EF63AC

monochromatic

#18C414 #30E92B #66EF63 #9CF59B #D3FAD2

Accessibility & contrast

On white

1.49

#66EF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.09

#66EF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EF63

14.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EF63	#FFFFFF	#000000	##000000
##66EF63	1.00	1.49	14.09	14.09
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.09	21.00	1.00	1.00
##000000	14.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4DB54

Deuteranopia (green-blind)

#E2CF6E

Tritanopia (blue-blind)

#4FE9D1

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #66ef63;
/* rgb */ color: rgb(102, 239, 99);
/* oklch */ color: oklch(84.7% 0.217 143.0);

Tailwind

colors: {
  custom: {
    50: '#9ef594',
    500: '#66ef63',
    950: '#000000',
  },
}

SCSS

$custom: #66ef63;
$custom-light: #9ef594;
$custom-dark: #000000;

JSON

{
  "hex": "#66ef63",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 118.714,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.84688,
    "c": 0.21743,
    "h": 143
  },
  "luminance": 0.65459
}

Semantic roles & 50–950 ramp

primary

#66EF63

secondary

#BE35C1

accent

#08DED9

background

#FCFFFC

surface

#F6FFF4

border

#D0D7CE

text

#10170D

muted

#80857F

Preview Lab

Preview with #66EF63

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

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