#66FEE4#66FEE4

#66FEE4 is a very light, vivid teal. Relative luminance 0.793; OKLCH L 90.9% C 0.134 H 179.9°. Best body text is #000000 at 16.86:1 contrast (WCAG AA passes).

Color values

HEX	#66FEE4
RGB	rgb(102, 254, 228)
HSL	hsl(170, 99%, 70%)
HSV	hsv(170, 60%, 100%)
CMYK	cmyk(59.8%, 0%, 10.2%, 0.4%)
CIE-LAB	lab(91.37, -46.36, 0.40)
CIE-LCH	lch(91.37, 46.36, 179.51°)
OKLab	oklab(90.88% -0.1344 0.0003)
OKLCH	oklch(90.88% 0.134 179.9)
XYZ	xyz(54.9184, 79.3041, 85.7967)
Luminance	0.7931 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FEE4 #FE6680

analogous

#66FE98 #66FEE4 #66CCFE

triadic

#66FEE4 #E466FE #FEE466

tetradic

#66FEE4 #9866FE #FE6680 #CCFE66

square

#66FEE4 #9866FE #FE6680 #CCFE66

split-complementary

#66FEE4 #FE66CC #FE9866

monochromatic

#02E8C1 #29FED9 #66FEE4 #A3FEEF #E0FFF9

Accessibility & contrast

On white

1.25

#66FEE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.86

#66FEE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FEE4

16.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FEE4	#FFFFFF	#000000	##000000
##66FEE4	1.00	1.25	16.86	16.86
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.86	21.00	1.00	1.00
##000000	16.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4F0E3

Deuteranopia (green-blind)

#DDDFE6

Tritanopia (blue-blind)

#00FFF6

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #66fee4;
/* rgb */ color: rgb(102, 254, 228);
/* oklch */ color: oklch(90.9% 0.134 179.9);

Tailwind

colors: {
  custom: {
    50: '#a0ffec',
    500: '#66fee4',
    950: '#000000',
  },
}

SCSS

$custom: #66fee4;
$custom-light: #a0ffec;
$custom-dark: #000000;

JSON

{
  "hex": "#66fee4",
  "rgb": {
    "r": 102,
    "g": 254,
    "b": 228
  },
  "hsl": {
    "h": 169.737,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.90875,
    "c": 0.13438,
    "h": 179.9
  },
  "luminance": 0.7931
}

Semantic roles & 50–950 ramp

primary

#66FEE4

secondary

#D92F4C

accent

#0027E6

background

#FDFFFE

surface

#F7FFFD

border

#D0D7D5

text

#101816

muted

#818684

Preview Lab

Preview with #66FEE4

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

Preview Lab → · Contrast checker → · Palette generator →