#66F166#66F166

#66F166 is a very light, highly saturated green. Relative luminance 0.667; OKLCH L 85.2% C 0.218 H 143.4°. Best body text is #000000 at 14.34:1 contrast (WCAG AA passes).

Color values

HEX	#66F166
RGB	rgb(102, 241, 102)
HSL	hsl(120, 83%, 67%)
HSV	hsv(120, 58%, 95%)
CMYK	cmyk(57.7%, 0%, 57.7%, 5.5%)
CIE-LAB	lab(85.35, -64.25, 54.99)
CIE-LCH	lch(85.35, 84.57, 139.44°)
OKLab	oklab(85.22% -0.1746 0.1298)
OKLCH	oklch(85.22% 0.218 143.4)
XYZ	xyz(39.3309, 66.6911, 23.3678)
Luminance	0.6670 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F166 #F166F1

analogous

#ACF166 #66F166 #66F1AC

triadic

#66F166 #6666F1 #F16666

tetradic

#66F166 #66ACF1 #F166F1 #F1AC66

square

#66F166 #66ACF1 #F166F1 #F1AC66

split-complementary

#66F166 #AC66F1 #F166AC

monochromatic

#12CA12 #2EEC2E #66F166 #9EF69E #D6FBD6

Accessibility & contrast

On white

1.46

#66F166 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.34

#66F166 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F166

14.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F166	#FFFFFF	#000000	##000000
##66F166	1.00	1.46	14.34	14.34
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.34	21.00	1.00	1.00
##000000	14.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6DD58

Deuteranopia (green-blind)

#E4D171

Tritanopia (blue-blind)

#4EEBD3

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #66f166;
/* rgb */ color: rgb(102, 241, 102);
/* oklch */ color: oklch(85.2% 0.218 143.4);

Tailwind

colors: {
  custom: {
    50: '#9ef796',
    500: '#66f166',
    950: '#000000',
  },
}

SCSS

$custom: #66f166;
$custom-light: #9ef796;
$custom-dark: #000000;

JSON

{
  "hex": "#66f166",
  "rgb": {
    "r": 102,
    "g": 241,
    "b": 102
  },
  "hsl": {
    "h": 120,
    "s": 83.234,
    "l": 67.255
  },
  "oklch": {
    "l": 0.85216,
    "c": 0.21753,
    "h": 143.4
  },
  "luminance": 0.66695
}

Semantic roles & 50–950 ramp

primary

#66F166

secondary

#C734C7

accent

#06E0E0

background

#FCFFFC

surface

#F6FFF5

border

#D0D7CF

text

#10170E

muted

#80857F

Preview Lab

Preview with #66F166

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

Preview Lab → · Contrast checker → · Palette generator →