#66CD43#66CD43

#66CD43 is a light, vivid green. Relative luminance 0.469; OKLCH L 75.9% C 0.199 H 138.9°. Best body text is #000000 at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#66CD43
RGB	rgb(102, 205, 67)
HSL	hsl(105, 58%, 53%)
HSV	hsv(105, 67%, 80%)
CMYK	cmyk(50.2%, 0%, 67.3%, 19.6%)
CIE-LAB	lab(74.12, -54.48, 57.23)
CIE-LCH	lch(74.12, 79.02, 133.59°)
OKLab	oklab(75.87% -0.15 0.1311)
OKLCH	oklch(75.87% 0.199 138.9)
XYZ	xyz(28.3229, 46.8906, 12.8674)
Luminance	0.4689 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CD43 #AA43CD

analogous

#ABCD43 #66CD43 #43CD65

triadic

#66CD43 #4366CD #CD4366

tetradic

#66CD43 #43ABCD #AA43CD #CD6543

square

#66CD43 #43ABCD #AA43CD #CD6543

split-complementary

#66CD43 #6543CD #CD43AB

monochromatic

#35761F #4BA72C #66CD43 #8DDA73 #B5E7A4

Accessibility & contrast

On white

2.02

#66CD43 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.38

#66CD43 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CD43

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CD43	#FFFFFF	#000000	##000000
##66CD43	1.00	2.02	10.38	10.38
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.38	21.00	1.00	1.00
##000000	10.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BC30

Deuteranopia (green-blind)

#C5B34F

Tritanopia (blue-blind)

#5DC6B1

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #66cd43;
/* rgb */ color: rgb(102, 205, 67);
/* oklch */ color: oklch(75.9% 0.199 138.9);

Tailwind

colors: {
  custom: {
    50: '#9add7e',
    500: '#66cd43',
    950: '#000000',
  },
}

SCSS

$custom: #66cd43;
$custom-light: #9add7e;
$custom-dark: #000000;

JSON

{
  "hex": "#66cd43",
  "rgb": {
    "r": 102,
    "g": 205,
    "b": 67
  },
  "hsl": {
    "h": 104.783,
    "s": 57.983,
    "l": 53.333
  },
  "oklch": {
    "l": 0.7587,
    "c": 0.19921,
    "h": 138.9
  },
  "luminance": 0.46893
}

Semantic roles & 50–950 ramp

primary

#66CD43

secondary

#C598D4

accent

#47E1BA

background

#FAFDF8

surface

#F3FBEF

border

#CDD4CA

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66CD43

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

Preview Lab → · Contrast checker → · Palette generator →