#66E042#66E042

#66E042 is a light, highly saturated green. Relative luminance 0.565; OKLCH L 80.6% C 0.223 H 139.5°. Best body text is #000000 at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#66E042
RGB	rgb(102, 224, 66)
HSL	hsl(106, 72%, 57%)
HSV	hsv(106, 71%, 88%)
CMYK	cmyk(54.5%, 0%, 70.5%, 12.2%)
CIE-LAB	lab(79.91, -61.58, 63.66)
CIE-LCH	lch(79.91, 88.57, 134.05°)
OKLab	oklab(80.64% -0.1693 0.1444)
OKLCH	oklch(80.64% 0.223 139.5)
XYZ	xyz(33.1171, 56.5267, 14.3188)
Luminance	0.5653 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E042 #BC42E0

analogous

#B5E042 #66E042 #42E06D

triadic

#66E042 #4266E0 #E04266

tetradic

#66E042 #42B5E0 #BC42E0 #E06D42

square

#66E042 #42B5E0 #BC42E0 #E06D42

split-complementary

#66E042 #6D42E0 #E042B5

monochromatic

#339018 #46C520 #66E042 #91E977 #BBF1AB

Accessibility & contrast

On white

1.71

#66E042 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.31

#66E042 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E042

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E042	#FFFFFF	#000000	##000000
##66E042	1.00	1.71	12.31	12.31
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.31	21.00	1.00	1.00
##000000	12.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CC28

Deuteranopia (green-blind)

#D7C251

Tritanopia (blue-blind)

#59D9C1

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #66e042;
/* rgb */ color: rgb(102, 224, 66);
/* oklch */ color: oklch(80.6% 0.223 139.5);

Tailwind

colors: {
  custom: {
    50: '#9deb7f',
    500: '#66e042',
    950: '#000000',
  },
}

SCSS

$custom: #66e042;
$custom-light: #9deb7f;
$custom-dark: #000000;

JSON

{
  "hex": "#66e042",
  "rgb": {
    "r": 102,
    "g": 224,
    "b": 66
  },
  "hsl": {
    "h": 106.329,
    "s": 71.818,
    "l": 56.863
  },
  "oklch": {
    "l": 0.80638,
    "c": 0.22251,
    "h": 139.5
  },
  "luminance": 0.56529
}

Semantic roles & 50–950 ramp

primary

#66E042

secondary

#7E3195

accent

#39EFC5

background

#FCFEFB

surface

#F6FDF2

border

#D0D5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66E042

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

Preview Lab → · Contrast checker → · Palette generator →