#66C844#66C844

#66C844 is a light, vivid green. Relative luminance 0.446; OKLCH L 74.6% C 0.192 H 138.7°. Best body text is #000000 at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#66C844
RGB	rgb(102, 200, 68)
HSL	hsl(105, 55%, 53%)
HSV	hsv(105, 66%, 78%)
CMYK	cmyk(49%, 0%, 66%, 21.6%)
CIE-LAB	lab(72.59, -52.47, 55.20)
CIE-LCH	lch(72.59, 76.16, 133.55°)
OKLab	oklab(74.62% -0.1445 0.1269)
OKLCH	oklch(74.62% 0.192 138.7)
XYZ	xyz(27.1762, 44.5488, 12.6345)
Luminance	0.4455 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C844 #A644C8

analogous

#A8C844 #66C844 #44C864

triadic

#66C844 #4466C8 #C84466

tetradic

#66C844 #44A8C8 #A644C8 #C86444

square

#66C844 #44A8C8 #A644C8 #C86444

split-complementary

#66C844 #6444C8 #C844A8

monochromatic

#367121 #4CA02F #66C844 #8DD673 #B3E4A3

Accessibility & contrast

On white

2.12

#66C844 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.91

#66C844 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C844

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C844	#FFFFFF	#000000	##000000
##66C844	1.00	2.12	9.91	9.91
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.91	21.00	1.00	1.00
##000000	9.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB733

Deuteranopia (green-blind)

#C1AF50

Tritanopia (blue-blind)

#5EC1AD

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #66c844;
/* rgb */ color: rgb(102, 200, 68);
/* oklch */ color: oklch(74.6% 0.192 138.7);

Tailwind

colors: {
  custom: {
    50: '#9ad97e',
    500: '#66c844',
    950: '#000000',
  },
}

SCSS

$custom: #66c844;
$custom-light: #9ad97e;
$custom-dark: #000000;

JSON

{
  "hex": "#66c844",
  "rgb": {
    "r": 102,
    "g": 200,
    "b": 68
  },
  "hsl": {
    "h": 104.545,
    "s": 54.545,
    "l": 52.549
  },
  "oklch": {
    "l": 0.74618,
    "c": 0.19232,
    "h": 138.7
  },
  "luminance": 0.44551
}

Semantic roles & 50–950 ramp

primary

#66C844

secondary

#C297D1

accent

#4ADEB8

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0F150A

muted

#7E837C

Preview Lab

Preview with #66C844

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

Preview Lab → · Contrast checker → · Palette generator →