#66DC43#66DC43

#66DC43 is a light, highly saturated green. Relative luminance 0.544; OKLCH L 79.6% C 0.217 H 139.5°. Best body text is #000000 at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#66DC43
RGB	rgb(102, 220, 67)
HSL	hsl(106, 69%, 56%)
HSV	hsv(106, 70%, 86%)
CMYK	cmyk(53.6%, 0%, 69.5%, 13.7%)
CIE-LAB	lab(78.70, -60.06, 62.04)
CIE-LCH	lch(78.70, 86.35, 134.07°)
OKLab	oklab(79.64% -0.1651 0.1412)
OKLCH	oklch(79.64% 0.217 139.5)
XYZ	xyz(32.0845, 54.4138, 14.1213)
Luminance	0.5442 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DC43 #B943DC

analogous

#B2DC43 #66DC43 #43DC6D

triadic

#66DC43 #4366DC #DC4366

tetradic

#66DC43 #43B2DC #B943DC #DC6D43

square

#66DC43 #43B2DC #B943DC #DC6D43

split-complementary

#66DC43 #6D43DC #DC43B2

monochromatic

#348B1A #47BE23 #66DC43 #90E677 #BAEFAA

Accessibility & contrast

On white

1.77

#66DC43 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.88

#66DC43 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DC43

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DC43	#FFFFFF	#000000	##000000
##66DC43	1.00	1.77	11.88	11.88
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.88	21.00	1.00	1.00
##000000	11.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C92B

Deuteranopia (green-blind)

#D3BF52

Tritanopia (blue-blind)

#5AD5BE

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #66dc43;
/* rgb */ color: rgb(102, 220, 67);
/* oklch */ color: oklch(79.6% 0.217 139.5);

Tailwind

colors: {
  custom: {
    50: '#9ce87f',
    500: '#66dc43',
    950: '#000000',
  },
}

SCSS

$custom: #66dc43;
$custom-light: #9ce87f;
$custom-dark: #000000;

JSON

{
  "hex": "#66dc43",
  "rgb": {
    "r": 102,
    "g": 220,
    "b": 67
  },
  "hsl": {
    "h": 106.275,
    "s": 68.61,
    "l": 56.275
  },
  "oklch": {
    "l": 0.79643,
    "c": 0.21723,
    "h": 139.5
  },
  "luminance": 0.54416
}

Semantic roles & 50–950 ramp

primary

#66DC43

secondary

#7B3390

accent

#3CEBC3

background

#FCFEFB

surface

#F6FDF2

border

#D0D5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66DC43

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

Preview Lab → · Contrast checker → · Palette generator →