#66BC56#66BC56

#66BC56 is a light, vivid green. Relative luminance 0.395; OKLCH L 71.8% C 0.162 H 140.6°. Best body text is #000000 at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#66BC56
RGB	rgb(102, 188, 86)
HSL	hsl(111, 43%, 54%)
HSV	hsv(111, 54%, 74%)
CMYK	cmyk(45.7%, 0%, 54.3%, 26.3%)
CIE-LAB	lab(69.08, -45.78, 43.19)
CIE-LCH	lch(69.08, 62.94, 136.67°)
OKLab	oklab(71.8% -0.1252 0.1029)
OKLCH	oklch(71.8% 0.162 140.6)
XYZ	xyz(25.1414, 39.4614, 15.0943)
Luminance	0.3946 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BC56 #AC56BC

analogous

#99BC56 #66BC56 #56BC79

triadic

#66BC56 #5666BC #BC5666

tetradic

#66BC56 #5699BC #AC56BC #BC7956

square

#66BC56 #5699BC #AC56BC #BC7956

split-complementary

#66BC56 #7956BC #BC5699

monochromatic

#356D2B #4B983C #66BC56 #8ECD82 #B5DFAE

Accessibility & contrast

On white

2.36

#66BC56 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.89

#66BC56 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BC56

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BC56	#FFFFFF	#000000	##000000
##66BC56	1.00	2.36	8.89	8.89
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.89	21.00	1.00	1.00
##000000	8.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AD4C

Deuteranopia (green-blind)

#B5A65D

Tritanopia (blue-blind)

#5EB7A5

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #66bc56;
/* rgb */ color: rgb(102, 188, 86);
/* oklch */ color: oklch(71.8% 0.162 140.6);

Tailwind

colors: {
  custom: {
    50: '#97d188',
    500: '#66bc56',
    950: '#000000',
  },
}

SCSS

$custom: #66bc56;
$custom-light: #97d188;
$custom-dark: #000000;

JSON

{
  "hex": "#66bc56",
  "rgb": {
    "r": 102,
    "g": 188,
    "b": 86
  },
  "hsl": {
    "h": 110.588,
    "s": 43.22,
    "l": 53.725
  },
  "oklch": {
    "l": 0.71796,
    "c": 0.16206,
    "h": 140.6
  },
  "luminance": 0.39463
}

Semantic roles & 50–950 ramp

primary

#66BC56

secondary

#C6A1CD

accent

#55D3BF

background

#F9FCF8

surface

#F2F9F0

border

#CCD2CB

text

#0E140C

muted

#7E827D

Preview Lab

Preview with #66BC56

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

Preview Lab → · Contrast checker → · Palette generator →