#66D443#66D443

#66D443 is a light, highly saturated green. Relative luminance 0.503; OKLCH L 77.6% C 0.208 H 139.2°. Best body text is #000000 at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#66D443
RGB	rgb(102, 212, 67)
HSL	hsl(106, 63%, 55%)
HSV	hsv(106, 68%, 83%)
CMYK	cmyk(51.9%, 0%, 68.4%, 16.9%)
CIE-LAB	lab(76.26, -57.12, 59.50)
CIE-LCH	lch(76.26, 82.47, 133.83°)
OKLab	oklab(77.63% -0.1572 0.1358)
OKLCH	oklch(77.63% 0.208 139.2)
XYZ	xyz(30.0349, 50.3147, 13.4381)
Luminance	0.5032 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D443 #B143D4

analogous

#AFD443 #66D443 #43D468

triadic

#66D443 #4366D4 #D44366

tetradic

#66D443 #43AFD4 #B143D4 #D46843

square

#66D443 #43AFD4 #B143D4 #D46843

split-complementary

#66D443 #6843D4 #D443AF

monochromatic

#357F1D #4AB129 #66D443 #8FDF75 #B7EBA7

Accessibility & contrast

On white

1.90

#66D443 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.06

#66D443 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D443

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D443	#FFFFFF	#000000	##000000
##66D443	1.00	1.90	11.06	11.06
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.06	21.00	1.00	1.00
##000000	11.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC22E

Deuteranopia (green-blind)

#CCB950

Tritanopia (blue-blind)

#5CCDB7

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #66d443;
/* rgb */ color: rgb(102, 212, 67);
/* oklch */ color: oklch(77.6% 0.208 139.2);

Tailwind

colors: {
  custom: {
    50: '#9be27f',
    500: '#66d443',
    950: '#000000',
  },
}

SCSS

$custom: #66d443;
$custom-light: #9be27f;
$custom-dark: #000000;

JSON

{
  "hex": "#66d443",
  "rgb": {
    "r": 102,
    "g": 212,
    "b": 67
  },
  "hsl": {
    "h": 105.517,
    "s": 62.771,
    "l": 54.706
  },
  "oklch": {
    "l": 0.77633,
    "c": 0.20772,
    "h": 139.2
  },
  "luminance": 0.50317
}

Semantic roles & 50–950 ramp

primary

#66D443

secondary

#733487

accent

#42E6BE

background

#FCFEFB

surface

#F5FCF2

border

#CFD5CC

text

#0F150A

muted

#80847D

Preview Lab

Preview with #66D443

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

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