#66DA41#66DA41

#66DA41 is a light, highly saturated green. Relative luminance 0.533; OKLCH L 79.1% C 0.216 H 139.2°. Best body text is #000000 at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#66DA41
RGB	rgb(102, 218, 65)
HSL	hsl(105, 67%, 55%)
HSV	hsv(105, 70%, 85%)
CMYK	cmyk(53.2%, 0%, 70.2%, 14.5%)
CIE-LAB	lab(78.08, -59.49, 62.14)
CIE-LCH	lch(78.08, 86.02, 133.75°)
OKLab	oklab(79.13% -0.1637 0.1411)
OKLCH	oklch(79.13% 0.216 139.2)
XYZ	xyz(31.5038, 53.3467, 13.6368)
Luminance	0.5335 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DA41 #B541DA

analogous

#B3DA41 #66DA41 #41DA68

triadic

#66DA41 #4166DA #DA4166

tetradic

#66DA41 #41B3DA #B541DA #DA6841

square

#66DA41 #41B3DA #B541DA #DA6841

split-complementary

#66DA41 #6841DA #DA41B3

monochromatic

#34861A #48BA24 #66DA41 #8FE474 #B8EEA7

Accessibility & contrast

On white

1.80

#66DA41 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.67

#66DA41 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DA41

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DA41	#FFFFFF	#000000	##000000
##66DA41	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)

#E0C728

Deuteranopia (green-blind)

#D1BD50

Tritanopia (blue-blind)

#5BD3BC

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #66da41;
/* rgb */ color: rgb(102, 218, 65);
/* oklch */ color: oklch(79.1% 0.216 139.2);

Tailwind

colors: {
  custom: {
    50: '#9ce67e',
    500: '#66da41',
    950: '#000000',
  },
}

SCSS

$custom: #66da41;
$custom-light: #9ce67e;
$custom-dark: #000000;

JSON

{
  "hex": "#66da41",
  "rgb": {
    "r": 102,
    "g": 218,
    "b": 65
  },
  "hsl": {
    "h": 105.49,
    "s": 67.401,
    "l": 55.49
  },
  "oklch": {
    "l": 0.79125,
    "c": 0.21611,
    "h": 139.2
  },
  "luminance": 0.53349
}

Semantic roles & 50–950 ramp

primary

#66DA41

secondary

#77328D

accent

#3EEAC1

background

#FCFEFB

surface

#F6FCF2

border

#D0D5CC

text

#0F160A

muted

#80847D

Preview Lab

Preview with #66DA41

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

Preview Lab → · Contrast checker → · Palette generator →