#66CF43#66CF43

#66CF43 is a light, highly saturated green. Relative luminance 0.479; OKLCH L 76.4% C 0.202 H 138.9°. Best body text is #000000 at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#66CF43
RGB	rgb(102, 207, 67)
HSL	hsl(105, 59%, 54%)
HSV	hsv(105, 68%, 81%)
CMYK	cmyk(50.7%, 0%, 67.6%, 18.8%)
CIE-LAB	lab(74.73, -55.24, 57.88)
CIE-LCH	lch(74.73, 80.01, 133.66°)
OKLab	oklab(76.37% -0.1521 0.1324)
OKLCH	oklch(76.37% 0.202 138.9)
XYZ	xyz(28.8043, 47.8535, 13.0279)
Luminance	0.4786 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CF43 #AC43CF

analogous

#ACCF43 #66CF43 #43CF66

triadic

#66CF43 #4366CF #CF4366

tetradic

#66CF43 #43ACCF #AC43CF #CF6643

square

#66CF43 #43ACCF #AC43CF #CF6643

split-complementary

#66CF43 #6643CF #CF43AC

monochromatic

#35791F #4BAA2B #66CF43 #8EDB74 #B5E8A5

Accessibility & contrast

On white

1.99

#66CF43 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.57

#66CF43 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CF43

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CF43	#FFFFFF	#000000	##000000
##66CF43	1.00	1.99	10.57	10.57
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.57	21.00	1.00	1.00
##000000	10.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BD2F

Deuteranopia (green-blind)

#C7B550

Tritanopia (blue-blind)

#5DC8B3

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #66cf43;
/* rgb */ color: rgb(102, 207, 67);
/* oklch */ color: oklch(76.4% 0.202 138.9);

Tailwind

colors: {
  custom: {
    50: '#9bde7e',
    500: '#66cf43',
    950: '#000000',
  },
}

SCSS

$custom: #66cf43;
$custom-light: #9bde7e;
$custom-dark: #000000;

JSON

{
  "hex": "#66cf43",
  "rgb": {
    "r": 102,
    "g": 207,
    "b": 67
  },
  "hsl": {
    "h": 105,
    "s": 59.322,
    "l": 53.725
  },
  "oklch": {
    "l": 0.76374,
    "c": 0.20166,
    "h": 138.9
  },
  "luminance": 0.47856
}

Semantic roles & 50–950 ramp

primary

#66CF43

secondary

#C699D5

accent

#45E3BB

background

#FAFDF8

surface

#F3FBEF

border

#CDD4CA

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66CF43

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

Preview Lab → · Contrast checker → · Palette generator →