#66D24E#66D24E

#66D24E is a light, vivid green. Relative luminance 0.495; OKLCH L 77.2% C 0.198 H 140.2°. Best body text is #000000 at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#66D24E
RGB	rgb(102, 210, 78)
HSL	hsl(109, 59%, 56%)
HSV	hsv(109, 63%, 82%)
CMYK	cmyk(51.4%, 0%, 62.9%, 17.6%)
CIE-LAB	lab(75.74, -55.38, 54.47)
CIE-LCH	lch(75.74, 77.68, 135.47°)
OKLab	oklab(77.23% -0.1518 0.1265)
OKLCH	oklch(77.23% 0.198 140.2)
XYZ	xyz(29.9000, 49.4657, 15.1785)
Luminance	0.4947 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D24E #BA4ED2

analogous

#A8D24E #66D24E #4ED278

triadic

#66D24E #4E66D2 #D24E66

tetradic

#66D24E #4EA8D2 #BA4ED2 #D2784E

square

#66D24E #4EA8D2 #BA4ED2 #D2784E

split-complementary

#66D24E #784ED2 #D24EA8

monochromatic

#338422 #46B52E #66D24E #90DE7F #BAEBB0

Accessibility & contrast

On white

1.93

#66D24E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.89

#66D24E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D24E

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D24E	#FFFFFF	#000000	##000000
##66D24E	1.00	1.93	10.89	10.89
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.89	21.00	1.00	1.00
##000000	10.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C03E

Deuteranopia (green-blind)

#C9B759

Tritanopia (blue-blind)

#5BCCB6

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #66d24e;
/* rgb */ color: rgb(102, 210, 78);
/* oklch */ color: oklch(77.2% 0.198 140.2);

Tailwind

colors: {
  custom: {
    50: '#9ae185',
    500: '#66d24e',
    950: '#000000',
  },
}

SCSS

$custom: #66d24e;
$custom-light: #9ae185;
$custom-dark: #000000;

JSON

{
  "hex": "#66d24e",
  "rgb": {
    "r": 102,
    "g": 210,
    "b": 78
  },
  "hsl": {
    "h": 109.091,
    "s": 59.459,
    "l": 56.471
  },
  "oklch": {
    "l": 0.77232,
    "c": 0.19756,
    "h": 140.2
  },
  "luminance": 0.49468
}

Semantic roles & 50–950 ramp

primary

#66D24E

secondary

#CFA3D9

accent

#45E3C6

background

#FAFDF8

surface

#F3FBF0

border

#CDD4CB

text

#0F150B

muted

#7F837C

Preview Lab

Preview with #66D24E

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

Preview Lab → · Contrast checker → · Palette generator →