#66D856#66D856

#66D856 is a light, vivid green. Relative luminance 0.526; OKLCH L 78.8% C 0.199 H 141.3°. Best body text is #000000 at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#66D856
RGB	rgb(102, 216, 86)
HSL	hsl(113, 63%, 59%)
HSV	hsv(113, 60%, 85%)
CMYK	cmyk(52.8%, 0%, 60.2%, 15.3%)
CIE-LAB	lab(77.64, -56.83, 53.16)
CIE-LCH	lch(77.64, 77.82, 136.91°)
OKLab	oklab(78.82% -0.1552 0.1245)
OKLCH	oklch(78.82% 0.199 141.3)
XYZ	xyz(31.7136, 52.6059, 17.2851)
Luminance	0.5261 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D856 #C856D8

analogous

#A7D856 #66D856 #56D887

triadic

#66D856 #5666D8 #D85666

tetradic

#66D856 #56A7D8 #C856D8 #D88756

square

#66D856 #56A7D8 #C856D8 #D88756

split-complementary

#66D856 #8756D8 #D856A7

monochromatic

#2F9222 #40C42D #66D856 #93E388 #C0EFB9

Accessibility & contrast

On white

1.82

#66D856 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.52

#66D856 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D856

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D856	#FFFFFF	#000000	##000000
##66D856	1.00	1.82	11.52	11.52
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.52	21.00	1.00	1.00
##000000	11.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC648

Deuteranopia (green-blind)

#CEBC60

Tritanopia (blue-blind)

#58D2BC

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #66d856;
/* rgb */ color: rgb(102, 216, 86);
/* oklch */ color: oklch(78.8% 0.199 141.3);

Tailwind

colors: {
  custom: {
    50: '#9be58a',
    500: '#66d856',
    950: '#000000',
  },
}

SCSS

$custom: #66d856;
$custom-light: #9be58a;
$custom-dark: #000000;

JSON

{
  "hex": "#66d856",
  "rgb": {
    "r": 102,
    "g": 216,
    "b": 86
  },
  "hsl": {
    "h": 112.615,
    "s": 62.5,
    "l": 59.216
  },
  "oklch": {
    "l": 0.7882,
    "c": 0.19898,
    "h": 141.3
  },
  "luminance": 0.52608
}

Semantic roles & 50–950 ramp

primary

#66D856

secondary

#8C3B97

accent

#42E6D1

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0F160C

muted

#80847F

Preview Lab

Preview with #66D856

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

Preview Lab → · Contrast checker → · Palette generator →