#66F4A4#66F4A4

#66F4A4 is a very light, vivid green. Relative luminance 0.702; OKLCH L 86.9% C 0.167 H 155.7°. Best body text is #000000 at 15.04:1 contrast (WCAG AA passes).

Color values

HEX	#66F4A4
RGB	rgb(102, 244, 164)
HSL	hsl(146, 87%, 68%)
HSV	hsv(146, 58%, 96%)
CMYK	cmyk(58.2%, 0%, 32.8%, 4.3%)
CIE-LAB	lab(87.10, -56.05, 27.34)
CIE-LCH	lch(87.10, 62.36, 154.00°)
OKLab	oklab(86.93% -0.1524 0.0689)
OKLCH	oklch(86.93% 0.167 155.7)
XYZ	xyz(44.5273, 70.2022, 46.3186)
Luminance	0.7021 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F4A4 #F466B6

analogous

#6FF466 #66F4A4 #66F4EB

triadic

#66F4A4 #A466F4 #F4A466

tetradic

#66F4A4 #666FF4 #F466B6 #F4EB66

square

#66F4A4 #666FF4 #F466B6 #F4EB66

split-complementary

#66F4A4 #EB66F4 #F4666F

monochromatic

#0FD164 #2DF082 #66F4A4 #9FF8C6 #D8FCE8

Accessibility & contrast

On white

1.40

#66F4A4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.04

#66F4A4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F4A4

15.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F4A4	#FFFFFF	#000000	##000000
##66F4A4	1.00	1.40	15.04	15.04
#FFFFFF	1.40	1.00	21.00	21.00
#000000	15.04	21.00	1.00	1.00
##000000	15.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3E29F

Deuteranopia (green-blind)

#E0D5A9

Tritanopia (blue-blind)

#31F2DF

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #66f4a4;
/* rgb */ color: rgb(102, 244, 164);
/* oklch */ color: oklch(86.9% 0.167 155.7);

Tailwind

colors: {
  custom: {
    50: '#9df9bf',
    500: '#66f4a4',
    950: '#000000',
  },
}

SCSS

$custom: #66f4a4;
$custom-light: #9df9bf;
$custom-dark: #000000;

JSON

{
  "hex": "#66f4a4",
  "rgb": {
    "r": 102,
    "g": 244,
    "b": 164
  },
  "hsl": {
    "h": 146.197,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.86933,
    "c": 0.16726,
    "h": 155.7
  },
  "luminance": 0.70206
}

Semantic roles & 50–950 ramp

primary

#66F4A4

secondary

#CC3289

accent

#0281E3

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66F4A4

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

Preview Lab → · Contrast checker → · Palette generator →