#66D043#66D043

#66D043 is a light, highly saturated green. Relative luminance 0.483; OKLCH L 76.6% C 0.203 H 139.0°. Best body text is #000000 at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#66D043
RGB	rgb(102, 208, 67)
HSL	hsl(105, 60%, 54%)
HSV	hsv(105, 68%, 82%)
CMYK	cmyk(51%, 0%, 67.8%, 18.4%)
CIE-LAB	lab(75.04, -55.62, 58.21)
CIE-LCH	lch(75.04, 80.51, 133.70°)
OKLab	oklab(76.63% -0.1531 0.1331)
OKLCH	oklch(76.63% 0.203 139)
XYZ	xyz(29.0474, 48.3396, 13.1089)
Luminance	0.4834 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D043 #AD43D0

analogous

#ADD043 #66D043 #43D067

triadic

#66D043 #4366D0 #D04366

tetradic

#66D043 #43ADD0 #AD43D0 #D06743

square

#66D043 #43ADD0 #AD43D0 #D06743

split-complementary

#66D043 #6743D0 #D043AD

monochromatic

#357A1F #4BAB2B #66D043 #8EDC74 #B6E8A5

Accessibility & contrast

On white

1.97

#66D043 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.67

#66D043 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D043

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D043	#FFFFFF	#000000	##000000
##66D043	1.00	1.97	10.67	10.67
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.67	21.00	1.00	1.00
##000000	10.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BE2F

Deuteranopia (green-blind)

#C8B550

Tritanopia (blue-blind)

#5DC9B4

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #66d043;
/* rgb */ color: rgb(102, 208, 67);
/* oklch */ color: oklch(76.6% 0.203 139.0);

Tailwind

colors: {
  custom: {
    50: '#9bdf7e',
    500: '#66d043',
    950: '#000000',
  },
}

SCSS

$custom: #66d043;
$custom-light: #9bdf7e;
$custom-dark: #000000;

JSON

{
  "hex": "#66d043",
  "rgb": {
    "r": 102,
    "g": 208,
    "b": 67
  },
  "hsl": {
    "h": 105.106,
    "s": 60,
    "l": 53.922
  },
  "oklch": {
    "l": 0.76626,
    "c": 0.20287,
    "h": 139
  },
  "luminance": 0.48342
}

Semantic roles & 50–950 ramp

primary

#66D043

secondary

#C799D5

accent

#45E3BC

background

#FAFDF8

surface

#F3FBEF

border

#CDD4CA

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66D043

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

Preview Lab → · Contrast checker → · Palette generator →