#66F568#66F568

#66F568 is a very light, highly saturated green. Relative luminance 0.691; OKLCH L 86.2% C 0.221 H 143.6°. Best body text is #000000 at 14.83:1 contrast (WCAG AA passes).

Color values

HEX	#66F568
RGB	rgb(102, 245, 104)
HSL	hsl(121, 88%, 68%)
HSV	hsv(121, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 57.6%, 3.9%)
CIE-LAB	lab(86.57, -65.45, 55.53)
CIE-LCH	lch(86.57, 85.83, 139.69°)
OKLab	oklab(86.23% -0.1777 0.1311)
OKLCH	oklch(86.23% 0.221 143.6)
XYZ	xyz(40.6283, 69.1253, 24.2955)
Luminance	0.6913 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F568 #F566F3

analogous

#ABF566 #66F568 #66F5AF

triadic

#66F568 #6866F5 #F56866

tetradic

#66F568 #66ABF5 #F566F3 #F5AF66

square

#66F568 #66ABF5 #F566F3 #F5AF66

split-complementary

#66F568 #AF66F5 #F566AB

monochromatic

#0ED311 #2DF12F #66F568 #9FF9A1 #D9FDD9

Accessibility & contrast

On white

1.42

#66F568 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.83

#66F568 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F568

14.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F568	#FFFFFF	#000000	##000000
##66F568	1.00	1.42	14.83	14.83
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.83	21.00	1.00	1.00
##000000	14.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAE05A

Deuteranopia (green-blind)

#E8D473

Tritanopia (blue-blind)

#4CEFD6

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66f568;
/* rgb */ color: rgb(102, 245, 104);
/* oklch */ color: oklch(86.2% 0.221 143.6);

Tailwind

colors: {
  custom: {
    50: '#9ff997',
    500: '#66f568',
    950: '#000000',
  },
}

SCSS

$custom: #66f568;
$custom-light: #9ff997;
$custom-dark: #000000;

JSON

{
  "hex": "#66f568",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 104
  },
  "hsl": {
    "h": 120.839,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.86227,
    "c": 0.22086,
    "h": 143.6
  },
  "luminance": 0.69129
}

Semantic roles & 50–950 ramp

primary

#66F568

secondary

#CE31CC

accent

#01E1E4

background

#FDFFFC

surface

#F7FFF5

border

#D0D7CF

text

#10170E

muted

#81857F

Preview Lab

Preview with #66F568

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

Preview Lab → · Contrast checker → · Palette generator →