#66CE43#66CE43

#66CE43 is a light, highly saturated green. Relative luminance 0.474; OKLCH L 76.1% C 0.200 H 138.9°. Best body text is #000000 at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#66CE43
RGB	rgb(102, 206, 67)
HSL	hsl(105, 59%, 54%)
HSV	hsv(105, 67%, 81%)
CMYK	cmyk(50.5%, 0%, 67.5%, 19.2%)
CIE-LAB	lab(74.43, -54.86, 57.56)
CIE-LCH	lch(74.43, 79.52, 133.63°)
OKLab	oklab(76.12% -0.151 0.1318)
OKLCH	oklch(76.12% 0.2 138.9)
XYZ	xyz(28.5628, 47.3705, 12.9474)
Luminance	0.4737 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CE43 #AB43CE

analogous

#ABCE43 #66CE43 #43CE65

triadic

#66CE43 #4366CE #CE4366

tetradic

#66CE43 #43ABCE #AB43CE #CE6543

square

#66CE43 #43ABCE #AB43CE #CE6543

split-complementary

#66CE43 #6543CE #CE43AB

monochromatic

#35771F #4BA82C #66CE43 #8EDB74 #B5E7A4

Accessibility & contrast

On white

2.00

#66CE43 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.47

#66CE43 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CE43

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CE43	#FFFFFF	#000000	##000000
##66CE43	1.00	2.00	10.47	10.47
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.47	21.00	1.00	1.00
##000000	10.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BD2F

Deuteranopia (green-blind)

#C6B450

Tritanopia (blue-blind)

#5DC7B2

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #66ce43;
/* rgb */ color: rgb(102, 206, 67);
/* oklch */ color: oklch(76.1% 0.200 138.9);

Tailwind

colors: {
  custom: {
    50: '#9ade7e',
    500: '#66ce43',
    950: '#000000',
  },
}

SCSS

$custom: #66ce43;
$custom-light: #9ade7e;
$custom-dark: #000000;

JSON

{
  "hex": "#66ce43",
  "rgb": {
    "r": 102,
    "g": 206,
    "b": 67
  },
  "hsl": {
    "h": 104.892,
    "s": 58.65,
    "l": 53.529
  },
  "oklch": {
    "l": 0.76122,
    "c": 0.20043,
    "h": 138.9
  },
  "luminance": 0.47373
}

Semantic roles & 50–950 ramp

primary

#66CE43

secondary

#C599D4

accent

#46E2BB

background

#FAFDF8

surface

#F3FBEF

border

#CDD4CA

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66CE43

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

Preview Lab → · Contrast checker → · Palette generator →