#66E03E#66E03E

#66E03E is a light, highly saturated green. Relative luminance 0.565; OKLCH L 80.6% C 0.225 H 139.2°. Best body text is #000000 at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#66E03E
RGB	rgb(102, 224, 62)
HSL	hsl(105, 72%, 56%)
HSV	hsv(105, 72%, 88%)
CMYK	cmyk(54.5%, 0%, 72.3%, 12.2%)
CIE-LAB	lab(79.89, -61.87, 65.06)
CIE-LCH	lch(79.89, 89.78, 133.56°)
OKLab	oklab(80.61% -0.1703 0.1468)
OKLCH	oklch(80.61% 0.225 139.2)
XYZ	xyz(33.0033, 56.4812, 13.7193)
Luminance	0.5648 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E03E #B83EE0

analogous

#B7E03E #66E03E #3EE067

triadic

#66E03E #3E66E0 #E03E66

tetradic

#66E03E #3EB7E0 #B83EE0 #E0673E

square

#66E03E #3EB7E0 #B83EE0 #E0673E

split-complementary

#66E03E #673EE0 #E03EB7

monochromatic

#348D17 #47C21F #66E03E #90E873 #BAF1A7

Accessibility & contrast

On white

1.71

#66E03E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.30

#66E03E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E03E

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E03E	#FFFFFF	#000000	##000000
##66E03E	1.00	1.71	12.30	12.30
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.30	21.00	1.00	1.00
##000000	12.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CC20

Deuteranopia (green-blind)

#D7C24E

Tritanopia (blue-blind)

#59D9C1

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #66e03e;
/* rgb */ color: rgb(102, 224, 62);
/* oklch */ color: oklch(80.6% 0.225 139.2);

Tailwind

colors: {
  custom: {
    50: '#9deb7d',
    500: '#66e03e',
    950: '#000000',
  },
}

SCSS

$custom: #66e03e;
$custom-light: #9deb7d;
$custom-dark: #000000;

JSON

{
  "hex": "#66e03e",
  "rgb": {
    "r": 102,
    "g": 224,
    "b": 62
  },
  "hsl": {
    "h": 105.185,
    "s": 72.321,
    "l": 56.078
  },
  "oklch": {
    "l": 0.80609,
    "c": 0.22485,
    "h": 139.2
  },
  "luminance": 0.56484
}

Semantic roles & 50–950 ramp

primary

#66E03E

secondary

#7A3092

accent

#39EFC2

background

#FCFEFB

surface

#F6FDF2

border

#D0D5CC

text

#0F160A

muted

#80847D

Preview Lab

Preview with #66E03E

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

Preview Lab → · Contrast checker → · Palette generator →