#66E04A#66E04A

#66E04A is a light, highly saturated green. Relative luminance 0.566; OKLCH L 80.7% C 0.217 H 140.2°. Best body text is #000000 at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#66E04A
RGB	rgb(102, 224, 74)
HSL	hsl(109, 71%, 58%)
HSV	hsv(109, 67%, 88%)
CMYK	cmyk(54.5%, 0%, 67%, 12.2%)
CIE-LAB	lab(79.97, -60.93, 60.70)
CIE-LCH	lch(79.97, 86.01, 135.11°)
OKLab	oklab(80.7% -0.167 0.1392)
OKLCH	oklch(80.7% 0.217 140.2)
XYZ	xyz(33.3697, 56.6277, 15.6490)
Luminance	0.5663 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E04A #C44AE0

analogous

#B1E04A #66E04A #4AE079

triadic

#66E04A #4A66E0 #E04A66

tetradic

#66E04A #4AB1E0 #C44AE0 #E0794A

square

#66E04A #4AB1E0 #C44AE0 #E0794A

split-complementary

#66E04A #794AE0 #E04AB1

monochromatic

#31961A #42CA23 #66E04A #92E97E #BEF2B3

Accessibility & contrast

On white

1.70

#66E04A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.33

#66E04A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E04A

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E04A	#FFFFFF	#000000	##000000
##66E04A	1.00	1.70	12.33	12.33
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.33	21.00	1.00	1.00
##000000	12.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CD35

Deuteranopia (green-blind)

#D6C258

Tritanopia (blue-blind)

#58D9C2

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #66e04a;
/* rgb */ color: rgb(102, 224, 74);
/* oklch */ color: oklch(80.7% 0.217 140.2);

Tailwind

colors: {
  custom: {
    50: '#9deb84',
    500: '#66e04a',
    950: '#000000',
  },
}

SCSS

$custom: #66e04a;
$custom-light: #9deb84;
$custom-dark: #000000;

JSON

{
  "hex": "#66e04a",
  "rgb": {
    "r": 102,
    "g": 224,
    "b": 74
  },
  "hsl": {
    "h": 108.8,
    "s": 70.755,
    "l": 58.431
  },
  "oklch": {
    "l": 0.80704,
    "c": 0.21745,
    "h": 140.2
  },
  "luminance": 0.56631
}

Semantic roles & 50–950 ramp

primary

#66E04A

secondary

#87349A

accent

#3AEECC

background

#FCFEFB

surface

#F6FDF2

border

#D0D5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66E04A

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

Preview Lab → · Contrast checker → · Palette generator →