#66F667#66F667

#66F667 is a very light, highly saturated green. Relative luminance 0.697; OKLCH L 86.5% C 0.223 H 143.5°. Best body text is #000000 at 14.94:1 contrast (WCAG AA passes).

Color values

HEX	#66F667
RGB	rgb(102, 246, 103)
HSL	hsl(120, 89%, 68%)
HSV	hsv(120, 59%, 96%)
CMYK	cmyk(58.5%, 0%, 58.1%, 3.5%)
CIE-LAB	lab(86.86, -65.92, 56.30)
CIE-LCH	lch(86.86, 86.69, 139.50°)
OKLab	oklab(86.46% -0.179 0.1327)
OKLCH	oklch(86.46% 0.223 143.5)
XYZ	xyz(40.8811, 69.7118, 24.1307)
Luminance	0.6972 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F667 #F666F5

analogous

#ADF666 #66F667 #66F6AF

triadic

#66F667 #6766F6 #F66766

tetradic

#66F667 #66ADF6 #F666F5 #F6AF66

square

#66F667 #66ADF6 #F666F5 #F6AF66

split-complementary

#66F667 #AF66F6 #F666AD

monochromatic

#0DD50E #2CF32E #66F667 #A0F9A0 #DAFDDA

Accessibility & contrast

On white

1.41

#66F667 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.94

#66F667 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F667

14.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F667	#FFFFFF	#000000	##000000
##66F667	1.00	1.41	14.94	14.94
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.94	21.00	1.00	1.00
##000000	14.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE158

Deuteranopia (green-blind)

#E9D572

Tritanopia (blue-blind)

#4CF0D7

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66f667;
/* rgb */ color: rgb(102, 246, 103);
/* oklch */ color: oklch(86.5% 0.223 143.5);

Tailwind

colors: {
  custom: {
    50: '#9ffa96',
    500: '#66f667',
    950: '#000000',
  },
}

SCSS

$custom: #66f667;
$custom-light: #9ffa96;
$custom-dark: #000000;

JSON

{
  "hex": "#66f667",
  "rgb": {
    "r": 102,
    "g": 246,
    "b": 103
  },
  "hsl": {
    "h": 120.417,
    "s": 88.889,
    "l": 68.235
  },
  "oklch": {
    "l": 0.86463,
    "c": 0.22286,
    "h": 143.5
  },
  "luminance": 0.69716
}

Semantic roles & 50–950 ramp

primary

#66F667

secondary

#CF31CE

accent

#00E4E6

background

#FDFFFC

surface

#F7FFF5

border

#D0D7CF

text

#10170E

muted

#81857F

Preview Lab

Preview with #66F667

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

Preview Lab → · Contrast checker → · Palette generator →