#66D649#66D649

#66D649 is a light, highly saturated green. Relative luminance 0.514; OKLCH L 78.2% C 0.206 H 139.8°. Best body text is #000000 at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#66D649
RGB	rgb(102, 214, 73)
HSL	hsl(108, 63%, 56%)
HSV	hsv(108, 66%, 84%)
CMYK	cmyk(52.3%, 0%, 65.9%, 16.1%)
CIE-LAB	lab(76.92, -57.35, 57.83)
CIE-LCH	lch(76.92, 81.44, 134.76°)
OKLab	oklab(78.19% -0.1574 0.133)
OKLCH	oklch(78.19% 0.206 139.8)
XYZ	xyz(30.7274, 51.3965, 14.6034)
Luminance	0.5140 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D649 #B949D6

analogous

#ADD649 #66D649 #49D673

triadic

#66D649 #4966D6 #D64966

tetradic

#66D649 #49ADD6 #B949D6 #D67349

square

#66D649 #49ADD6 #B949D6 #D67349

split-complementary

#66D649 #7349D6 #D649AD

monochromatic

#34861E #47B82A #66D649 #90E17B #BAEDAD

Accessibility & contrast

On white

1.86

#66D649 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.28

#66D649 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D649

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D649	#FFFFFF	#000000	##000000
##66D649	1.00	1.86	11.28	11.28
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.28	21.00	1.00	1.00
##000000	11.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC436

Deuteranopia (green-blind)

#CDBA55

Tritanopia (blue-blind)

#5ACFB9

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #66d649;
/* rgb */ color: rgb(102, 214, 73);
/* oklch */ color: oklch(78.2% 0.206 139.8);

Tailwind

colors: {
  custom: {
    50: '#9be382',
    500: '#66d649',
    950: '#000000',
  },
}

SCSS

$custom: #66d649;
$custom-light: #9be382;
$custom-dark: #000000;

JSON

{
  "hex": "#66d649",
  "rgb": {
    "r": 102,
    "g": 214,
    "b": 73
  },
  "hsl": {
    "h": 107.66,
    "s": 63.229,
    "l": 56.275
  },
  "oklch": {
    "l": 0.78188,
    "c": 0.2061,
    "h": 139.8
  },
  "luminance": 0.51399
}

Semantic roles & 50–950 ramp

primary

#66D649

secondary

#7B368D

accent

#42E6C4

background

#FCFEFB

surface

#F5FCF2

border

#CFD5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66D649

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

Preview Lab → · Contrast checker → · Palette generator →