#66DC63#66DC63

#66DC63 is a light, vivid green. Relative luminance 0.549; OKLCH L 80.0% C 0.194 H 143.1°. Best body text is #000000 at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#66DC63
RGB	rgb(102, 220, 99)
HSL	hsl(119, 63%, 63%)
HSV	hsv(119, 55%, 86%)
CMYK	cmyk(53.6%, 0%, 55%, 13.7%)
CIE-LAB	lab(78.99, -56.87, 48.88)
CIE-LCH	lch(78.99, 74.99, 139.32°)
OKLab	oklab(79.97% -0.1547 0.1163)
OKLCH	oklch(79.97% 0.194 143.1)
XYZ	xyz(33.3231, 54.9093, 20.6445)
Luminance	0.5491 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DC63 #D963DC

analogous

#A3DC63 #66DC63 #63DC9C

triadic

#66DC63 #6366DC #DC6366

tetradic

#66DC63 #63A3DC #D963DC #DC9C63

square

#66DC63 #63A3DC #D963DC #DC9C63

split-complementary

#66DC63 #9C63DC #DC63A3

monochromatic

#27A124 #35D131 #66DC63 #97E795 #C8F2C7

Accessibility & contrast

On white

1.75

#66DC63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.98

#66DC63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DC63

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DC63	#FFFFFF	#000000	##000000
##66DC63	1.00	1.75	11.98	11.98
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.98	21.00	1.00	1.00
##000000	11.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0CA57

Deuteranopia (green-blind)

#D1C06C

Tritanopia (blue-blind)

#54D6C1

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #66dc63;
/* rgb */ color: rgb(102, 220, 99);
/* oklch */ color: oklch(80.0% 0.194 143.1);

Tailwind

colors: {
  custom: {
    50: '#9be892',
    500: '#66dc63',
    950: '#000000',
  },
}

SCSS

$custom: #66dc63;
$custom-light: #9be892;
$custom-dark: #000000;

JSON

{
  "hex": "#66dc63",
  "rgb": {
    "r": 102,
    "g": 220,
    "b": 99
  },
  "hsl": {
    "h": 118.512,
    "s": 63.351,
    "l": 62.549
  },
  "oklch": {
    "l": 0.79971,
    "c": 0.19353,
    "h": 143.1
  },
  "luminance": 0.54912
}

Semantic roles & 50–950 ramp

primary

#66DC63

secondary

#A13FA4

accent

#1ACBC7

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0F160D

muted

#80847F

Preview Lab

Preview with #66DC63

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

Preview Lab → · Contrast checker → · Palette generator →