#66FFAA#66FFAA

#66FFAA is a very light, vivid green. Relative luminance 0.772; OKLCH L 89.7% C 0.177 H 155.7°. Best body text is #000000 at 16.45:1 contrast (WCAG AA passes).

Color values

HEX	#66FFAA
RGB	rgb(102, 255, 170)
HSL	hsl(147, 100%, 70%)
HSV	hsv(147, 60%, 100%)
CMYK	cmyk(60%, 0%, 33.3%, 0%)
CIE-LAB	lab(90.43, -59.24, 28.82)
CIE-LCH	lch(90.43, 65.88, 154.06°)
OKLab	oklab(89.7% -0.1609 0.0726)
OKLCH	oklch(89.7% 0.177 155.7)
XYZ	xyz(48.4910, 77.2422, 50.3762)
Luminance	0.7725 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FFAA #FF66BB

analogous

#6EFF66 #66FFAA #66FFF7

triadic

#66FFAA #AA66FF #FFAA66

tetradic

#66FFAA #666EFF #FF66BB #FFF766

square

#66FFAA #666EFF #FF66BB #FFF766

split-complementary

#66FFAA #F766FF #FF666E

monochromatic

#00EB68 #29FF88 #66FFAA #A3FFCC #E0FFEE

Accessibility & contrast

On white

1.28

#66FFAA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.45

#66FFAA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FFAA

16.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FFAA	#FFFFFF	#000000	##000000
##66FFAA	1.00	1.28	16.45	16.45
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.45	21.00	1.00	1.00
##000000	16.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEECA5

Deuteranopia (green-blind)

#E9DEAF

Tritanopia (blue-blind)

#25FDE9

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #66ffaa;
/* rgb */ color: rgb(102, 255, 170);
/* oklch */ color: oklch(89.7% 0.177 155.7);

Tailwind

colors: {
  custom: {
    50: '#9fffc3',
    500: '#66ffaa',
    950: '#000000',
  },
}

SCSS

$custom: #66ffaa;
$custom-light: #9fffc3;
$custom-dark: #000000;

JSON

{
  "hex": "#66ffaa",
  "rgb": {
    "r": 102,
    "g": 255,
    "b": 170
  },
  "hsl": {
    "h": 146.667,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.89703,
    "c": 0.17653,
    "h": 155.7
  },
  "luminance": 0.77247
}

Semantic roles & 50–950 ramp

primary

#66FFAA

secondary

#DA2F8E

accent

#007FE6

background

#FDFFFD

surface

#F7FFF9

border

#D0D7D2

text

#101812

muted

#818682

Preview Lab

Preview with #66FFAA

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

Preview Lab → · Contrast checker → · Palette generator →