#66DA43#66DA43

#66DA43 is a light, highly saturated green. Relative luminance 0.534; OKLCH L 79.1% C 0.215 H 139.4°. Best body text is #000000 at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#66DA43
RGB	rgb(102, 218, 67)
HSL	hsl(106, 67%, 56%)
HSV	hsv(106, 69%, 85%)
CMYK	cmyk(53.2%, 0%, 69.3%, 14.5%)
CIE-LAB	lab(78.09, -59.33, 61.41)
CIE-LCH	lch(78.09, 85.39, 134.01°)
OKLab	oklab(79.14% -0.1631 0.1399)
OKLCH	oklch(79.14% 0.215 139.4)
XYZ	xyz(31.5627, 53.3703, 13.9474)
Luminance	0.5337 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DA43 #B743DA

analogous

#B1DA43 #66DA43 #43DA6B

triadic

#66DA43 #4366DA #DA4366

tetradic

#66DA43 #43B1DA #B743DA #DA6B43

square

#66DA43 #43B1DA #B743DA #DA6B43

split-complementary

#66DA43 #6B43DA #DA43B1

monochromatic

#34881B #48BB25 #66DA43 #90E476 #B9EEA9

Accessibility & contrast

On white

1.80

#66DA43 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.67

#66DA43 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DA43

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DA43	#FFFFFF	#000000	##000000
##66DA43	1.00	1.80	11.67	11.67
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.67	21.00	1.00	1.00
##000000	11.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C72C

Deuteranopia (green-blind)

#D1BD51

Tritanopia (blue-blind)

#5AD3BC

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #66da43;
/* rgb */ color: rgb(102, 218, 67);
/* oklch */ color: oklch(79.1% 0.215 139.4);

Tailwind

colors: {
  custom: {
    50: '#9ce67f',
    500: '#66da43',
    950: '#000000',
  },
}

SCSS

$custom: #66da43;
$custom-light: #9ce67f;
$custom-dark: #000000;

JSON

{
  "hex": "#66da43",
  "rgb": {
    "r": 102,
    "g": 218,
    "b": 67
  },
  "hsl": {
    "h": 106.093,
    "s": 67.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.79141,
    "c": 0.21487,
    "h": 139.4
  },
  "luminance": 0.53373
}

Semantic roles & 50–950 ramp

primary

#66DA43

secondary

#79338E

accent

#3EEAC2

background

#FCFEFB

surface

#F6FCF2

border

#D0D5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66DA43

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

Preview Lab → · Contrast checker → · Palette generator →