#66C756#66C756

#66C756 is a light, vivid green. Relative luminance 0.443; OKLCH L 74.6% C 0.177 H 140.9°. Best body text is #000000 at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#66C756
RGB	rgb(102, 199, 86)
HSL	hsl(112, 50%, 56%)
HSV	hsv(112, 57%, 78%)
CMYK	cmyk(48.7%, 0%, 56.8%, 22%)
CIE-LAB	lab(72.46, -50.25, 47.17)
CIE-LCH	lch(72.46, 68.92, 136.81°)
OKLab	oklab(74.56% -0.1374 0.1116)
OKLCH	oklch(74.56% 0.177 140.9)
XYZ	xyz(27.5814, 44.3415, 15.9077)
Luminance	0.4434 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C756 #B756C7

analogous

#9EC756 #66C756 #56C77E

triadic

#66C756 #5666C7 #C75666

tetradic

#66C756 #569EC7 #B756C7 #C77E56

square

#66C756 #569EC7 #B756C7 #C77E56

split-complementary

#66C756 #7E56C7 #C7569E

monochromatic

#347A28 #48A838 #66C756 #90D684 #B9E5B2

Accessibility & contrast

On white

2.13

#66C756 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.87

#66C756 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C756

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C756	#FFFFFF	#000000	##000000
##66C756	1.00	2.13	9.87	9.87
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.87	21.00	1.00	1.00
##000000	9.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB74B

Deuteranopia (green-blind)

#BFAE5E

Tritanopia (blue-blind)

#5CC1AE

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #66c756;
/* rgb */ color: rgb(102, 199, 86);
/* oklch */ color: oklch(74.6% 0.177 140.9);

Tailwind

colors: {
  custom: {
    50: '#99d989',
    500: '#66c756',
    950: '#000000',
  },
}

SCSS

$custom: #66c756;
$custom-light: #99d989;
$custom-dark: #000000;

JSON

{
  "hex": "#66c756",
  "rgb": {
    "r": 102,
    "g": 199,
    "b": 86
  },
  "hsl": {
    "h": 111.504,
    "s": 50.222,
    "l": 55.882
  },
  "oklch": {
    "l": 0.7456,
    "c": 0.17698,
    "h": 140.9
  },
  "luminance": 0.44344
}

Semantic roles & 50–950 ramp

primary

#66C756

secondary

#CDA5D4

accent

#4EDAC6

background

#F9FDF8

surface

#F2FAF0

border

#CCD3CB

text

#0E150C

muted

#7E837D

Preview Lab

Preview with #66C756

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

Preview Lab → · Contrast checker → · Palette generator →