#66F1A4#66F1A4

#66F1A4 is a very light, vivid green. Relative luminance 0.684; OKLCH L 86.2% C 0.163 H 156.1°. Best body text is #000000 at 14.68:1 contrast (WCAG AA passes).

Color values

HEX	#66F1A4
RGB	rgb(102, 241, 164)
HSL	hsl(147, 83%, 67%)
HSV	hsv(147, 58%, 95%)
CMYK	cmyk(57.7%, 0%, 32%, 5.5%)
CIE-LAB	lab(86.21, -54.86, 26.13)
CIE-LCH	lch(86.21, 60.77, 154.53°)
OKLab	oklab(86.21% -0.1493 0.066)
OKLCH	oklch(86.21% 0.163 156.1)
XYZ	xyz(43.6320, 68.4115, 46.0202)
Luminance	0.6842 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F1A4 #F166B3

analogous

#6DF166 #66F1A4 #66F1EA

triadic

#66F1A4 #A466F1 #F1A466

tetradic

#66F1A4 #666DF1 #F166B3 #F1EA66

square

#66F1A4 #666DF1 #F166B3 #F1EA66

split-complementary

#66F1A4 #EA66F1 #F1666D

monochromatic

#12CA64 #2EEC83 #66F1A4 #9EF6C5 #D6FBE7

Accessibility & contrast

On white

1.43

#66F1A4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.68

#66F1A4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F1A4

14.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F1A4	#FFFFFF	#000000	##000000
##66F1A4	1.00	1.43	14.68	14.68
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.68	21.00	1.00	1.00
##000000	14.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0E09F

Deuteranopia (green-blind)

#DDD2A9

Tritanopia (blue-blind)

#33EFDD

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #66f1a4;
/* rgb */ color: rgb(102, 241, 164);
/* oklch */ color: oklch(86.2% 0.163 156.1);

Tailwind

colors: {
  custom: {
    50: '#9df6bf',
    500: '#66f1a4',
    950: '#000000',
  },
}

SCSS

$custom: #66f1a4;
$custom-light: #9df6bf;
$custom-dark: #000000;

JSON

{
  "hex": "#66f1a4",
  "rgb": {
    "r": 102,
    "g": 241,
    "b": 164
  },
  "hsl": {
    "h": 146.763,
    "s": 83.234,
    "l": 67.255
  },
  "oklch": {
    "l": 0.86208,
    "c": 0.16325,
    "h": 156.1
  },
  "luminance": 0.68416
}

Semantic roles & 50–950 ramp

primary

#66F1A4

secondary

#C73485

accent

#067FE0

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66F1A4

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

Preview Lab → · Contrast checker → · Palette generator →