#66D642#66D642

#66D642 is a light, highly saturated green. Relative luminance 0.513; OKLCH L 78.1% C 0.211 H 139.2°. Best body text is #000000 at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#66D642
RGB	rgb(102, 214, 66)
HSL	hsl(105, 64%, 55%)
HSV	hsv(105, 69%, 84%)
CMYK	cmyk(52.3%, 0%, 69.2%, 16.1%)
CIE-LAB	lab(76.87, -57.94, 60.51)
CIE-LCH	lch(76.87, 83.78, 133.76°)
OKLab	oklab(78.13% -0.1594 0.1378)
OKLCH	oklch(78.13% 0.211 139.2)
XYZ	xyz(30.5082, 51.3089, 13.4492)
Luminance	0.5131 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D642 #B242D6

analogous

#B0D642 #66D642 #42D668

triadic

#66D642 #4266D6 #D64266

tetradic

#66D642 #42B0D6 #B242D6 #D66842

square

#66D642 #42B0D6 #B242D6 #D66842

split-complementary

#66D642 #6842D6 #D642B0

monochromatic

#35821C #49B427 #66D642 #8FE174 #B7ECA7

Accessibility & contrast

On white

1.86

#66D642 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.26

#66D642 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D642

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D642	#FFFFFF	#000000	##000000
##66D642	1.00	1.86	11.26	11.26
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.26	21.00	1.00	1.00
##000000	11.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC42B

Deuteranopia (green-blind)

#CEBA50

Tritanopia (blue-blind)

#5BCFB8

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #66d642;
/* rgb */ color: rgb(102, 214, 66);
/* oklch */ color: oklch(78.1% 0.211 139.2);

Tailwind

colors: {
  custom: {
    50: '#9ce37e',
    500: '#66d642',
    950: '#000000',
  },
}

SCSS

$custom: #66d642;
$custom-light: #9ce37e;
$custom-dark: #000000;

JSON

{
  "hex": "#66d642",
  "rgb": {
    "r": 102,
    "g": 214,
    "b": 66
  },
  "hsl": {
    "h": 105.405,
    "s": 64.348,
    "l": 54.902
  },
  "oklch": {
    "l": 0.78128,
    "c": 0.21075,
    "h": 139.2
  },
  "luminance": 0.51311
}

Semantic roles & 50–950 ramp

primary

#66D642

secondary

#743488

accent

#40E7BF

background

#FCFEFB

surface

#F6FCF2

border

#D0D5CC

text

#0F160A

muted

#80847D

Preview Lab

Preview with #66D642

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

Preview Lab → · Contrast checker → · Palette generator →