#66DC4B#66DC4B

#66DC4B is a light, highly saturated green. Relative luminance 0.545; OKLCH L 79.7% C 0.212 H 140.2°. Best body text is #000000 at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#66DC4B
RGB	rgb(102, 220, 75)
HSL	hsl(109, 67%, 58%)
HSV	hsv(109, 66%, 86%)
CMYK	cmyk(53.6%, 0%, 65.9%, 13.7%)
CIE-LAB	lab(78.76, -59.39, 59.01)
CIE-LCH	lch(78.76, 83.72, 135.18°)
OKLab	oklab(79.71% -0.1628 0.1358)
OKLCH	oklch(79.71% 0.212 140.2)
XYZ	xyz(32.3413, 54.5166, 15.4737)
Luminance	0.5452 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DC4B #C14BDC

analogous

#AEDC4B #66DC4B #4BDC79

triadic

#66DC4B #4B66DC #DC4B66

tetradic

#66DC4B #4BAEDC #C14BDC #DC794B

square

#66DC4B #4BAEDC #C14BDC #DC794B

split-complementary

#66DC4B #794BDC #DC4BAE

monochromatic

#32911C #43C426 #66DC4B #92E67E #BDF0B1

Accessibility & contrast

On white

1.76

#66DC4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.90

#66DC4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DC4B

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DC4B	#FFFFFF	#000000	##000000
##66DC4B	1.00	1.76	11.90	11.90
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.90	21.00	1.00	1.00
##000000	11.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C938

Deuteranopia (green-blind)

#D3BF58

Tritanopia (blue-blind)

#59D5BE

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #66dc4b;
/* rgb */ color: rgb(102, 220, 75);
/* oklch */ color: oklch(79.7% 0.212 140.2);

Tailwind

colors: {
  custom: {
    50: '#9ce884',
    500: '#66dc4b',
    950: '#000000',
  },
}

SCSS

$custom: #66dc4b;
$custom-light: #9ce884;
$custom-dark: #000000;

JSON

{
  "hex": "#66dc4b",
  "rgb": {
    "r": 102,
    "g": 220,
    "b": 75
  },
  "hsl": {
    "h": 108.828,
    "s": 67.442,
    "l": 57.843
  },
  "oklch": {
    "l": 0.79711,
    "c": 0.21199,
    "h": 140.2
  },
  "luminance": 0.54519
}

Semantic roles & 50–950 ramp

primary

#66DC4B

secondary

#843696

accent

#3DEACA

background

#FCFEFB

surface

#F6FDF2

border

#D0D5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66DC4B

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

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