#66D646#66D646

#66D646 is a light, highly saturated green. Relative luminance 0.514; OKLCH L 78.2% C 0.208 H 139.5°. Best body text is #000000 at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#66D646
RGB	rgb(102, 214, 70)
HSL	hsl(107, 64%, 56%)
HSV	hsv(107, 67%, 84%)
CMYK	cmyk(52.3%, 0%, 67.3%, 16.1%)
CIE-LAB	lab(76.90, -57.61, 59.00)
CIE-LCH	lch(76.90, 82.46, 134.32°)
OKLab	oklab(78.16% -0.1583 0.1352)
OKLCH	oklch(78.16% 0.208 139.5)
XYZ	xyz(30.6303, 51.3577, 14.0921)
Luminance	0.5136 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D646 #B646D6

analogous

#AED646 #66D646 #46D66E

triadic

#66D646 #4666D6 #D64666

tetradic

#66D646 #46AED6 #B646D6 #D66E46

square

#66D646 #46AED6 #B646D6 #D66E46

split-complementary

#66D646 #6E46D6 #D646AE

monochromatic

#34841D #48B628 #66D646 #8FE178 #B9ECAA

Accessibility & contrast

On white

1.86

#66D646 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.27

#66D646 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D646

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D646	#FFFFFF	#000000	##000000
##66D646	1.00	1.86	11.27	11.27
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.27	21.00	1.00	1.00
##000000	11.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC432

Deuteranopia (green-blind)

#CDBA53

Tritanopia (blue-blind)

#5BCFB9

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #66d646;
/* rgb */ color: rgb(102, 214, 70);
/* oklch */ color: oklch(78.2% 0.208 139.5);

Tailwind

colors: {
  custom: {
    50: '#9be380',
    500: '#66d646',
    950: '#000000',
  },
}

SCSS

$custom: #66d646;
$custom-light: #9be380;
$custom-dark: #000000;

JSON

{
  "hex": "#66d646",
  "rgb": {
    "r": 102,
    "g": 214,
    "b": 70
  },
  "hsl": {
    "h": 106.667,
    "s": 63.717,
    "l": 55.686
  },
  "oklch": {
    "l": 0.78161,
    "c": 0.20815,
    "h": 139.5
  },
  "luminance": 0.5136
}

Semantic roles & 50–950 ramp

primary

#66D646

secondary

#78358B

accent

#41E7C2

background

#FCFEFB

surface

#F5FCF2

border

#CFD5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66D646

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

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