#66BF56#66BF56

#66BF56 is a light, vivid green. Relative luminance 0.408; OKLCH L 72.5% C 0.166 H 140.7°. Best body text is #000000 at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#66BF56
RGB	rgb(102, 191, 86)
HSL	hsl(111, 45%, 54%)
HSV	hsv(111, 55%, 75%)
CMYK	cmyk(46.6%, 0%, 55%, 25.1%)
CIE-LAB	lab(70.00, -47.02, 44.28)
CIE-LCH	lch(70.00, 64.59, 136.71°)
OKLab	oklab(72.55% -0.1286 0.1053)
OKLCH	oklch(72.55% 0.166 140.7)
XYZ	xyz(25.7889, 40.7565, 15.3102)
Luminance	0.4076 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BF56 #AF56BF

analogous

#9BBF56 #66BF56 #56BF7B

triadic

#66BF56 #5666BF #BF5666

tetradic

#66BF56 #569BBF #AF56BF #BF7B56

square

#66BF56 #569BBF #AF56BF #BF7B56

split-complementary

#66BF56 #7B56BF #BF569B

monochromatic

#35702A #4A9D3B #66BF56 #8ED082 #B6E1AF

Accessibility & contrast

On white

2.29

#66BF56 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.15

#66BF56 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BF56

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BF56	#FFFFFF	#000000	##000000
##66BF56	1.00	2.29	9.15	9.15
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.15	21.00	1.00	1.00
##000000	9.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4B04C

Deuteranopia (green-blind)

#B7A85E

Tritanopia (blue-blind)

#5DBAA8

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #66bf56;
/* rgb */ color: rgb(102, 191, 86);
/* oklch */ color: oklch(72.5% 0.166 140.7);

Tailwind

colors: {
  custom: {
    50: '#98d388',
    500: '#66bf56',
    950: '#000000',
  },
}

SCSS

$custom: #66bf56;
$custom-light: #98d388;
$custom-dark: #000000;

JSON

{
  "hex": "#66bf56",
  "rgb": {
    "r": 102,
    "g": 191,
    "b": 86
  },
  "hsl": {
    "h": 110.857,
    "s": 45.064,
    "l": 54.314
  },
  "oklch": {
    "l": 0.7255,
    "c": 0.16618,
    "h": 140.7
  },
  "luminance": 0.40758
}

Semantic roles & 50–950 ramp

primary

#66BF56

secondary

#C8A2CF

accent

#53D5C1

background

#F9FDF8

surface

#F2FAF0

border

#CCD3CB

text

#0E140C

muted

#7E837D

Preview Lab

Preview with #66BF56

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

Preview Lab → · Contrast checker → · Palette generator →