#66F569#66F569

#66F569 is a very light, highly saturated green. Relative luminance 0.692; OKLCH L 86.2% C 0.220 H 143.7°. Best body text is #000000 at 14.83:1 contrast (WCAG AA passes).

Color values

HEX	#66F569
RGB	rgb(102, 245, 105)
HSL	hsl(121, 88%, 68%)
HSV	hsv(121, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 57.1%, 3.9%)
CIE-LAB	lab(86.58, -65.33, 55.10)
CIE-LCH	lch(86.58, 85.47, 139.86°)
OKLab	oklab(86.24% -0.1774 0.1303)
OKLCH	oklch(86.24% 0.22 143.7)
XYZ	xyz(40.6794, 69.1458, 24.5646)
Luminance	0.6915 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F569 #F566F2

analogous

#AAF566 #66F569 #66F5B1

triadic

#66F569 #6966F5 #F56966

tetradic

#66F569 #66AAF5 #F566F2 #F5B166

square

#66F569 #66AAF5 #F566F2 #F5B166

split-complementary

#66F569 #B166F5 #F566AA

monochromatic

#0ED312 #2DF131 #66F569 #9FF9A1 #D9FDDA

Accessibility & contrast

On white

1.42

#66F569 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.83

#66F569 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F569

14.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F569	#FFFFFF	#000000	##000000
##66F569	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)

#FAE05B

Deuteranopia (green-blind)

#E7D474

Tritanopia (blue-blind)

#4CEFD6

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66f569;
/* rgb */ color: rgb(102, 245, 105);
/* oklch */ color: oklch(86.2% 0.220 143.7);

Tailwind

colors: {
  custom: {
    50: '#9ff998',
    500: '#66f569',
    950: '#000000',
  },
}

SCSS

$custom: #66f569;
$custom-light: #9ff998;
$custom-dark: #000000;

JSON

{
  "hex": "#66f569",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 105
  },
  "hsl": {
    "h": 121.259,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.86239,
    "c": 0.22007,
    "h": 143.7
  },
  "luminance": 0.6915
}

Semantic roles & 50–950 ramp

primary

#66F569

secondary

#CE31CB

accent

#01E0E4

background

#FDFFFC

surface

#F7FFF5

border

#D0D7CF

text

#10170E

muted

#81857F

Preview Lab

Preview with #66F569

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

Preview Lab → · Contrast checker → · Palette generator →