#66FBF5#66FBF5

#66FBF5 is a very light, vivid teal. Relative luminance 0.784; OKLCH L 90.7% C 0.127 H 191.4°. Best body text is #000000 at 16.68:1 contrast (WCAG AA passes).

Color values

HEX	#66FBF5
RGB	rgb(102, 251, 245)
HSL	hsl(178, 95%, 69%)
HSV	hsv(178, 59%, 98%)
CMYK	cmyk(59.4%, 0%, 2.4%, 1.6%)
CIE-LAB	lab(90.96, -40.77, -9.03)
CIE-LCH	lch(90.96, 41.75, 192.48°)
OKLab	oklab(90.69% -0.1242 -0.0251)
OKLCH	oklch(90.69% 0.127 191.4)
XYZ	xyz(56.4508, 78.4058, 98.5273)
Luminance	0.7841 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FBF5 #FB666C

analogous

#66FBAB #66FBF5 #66B7FB

triadic

#66FBF5 #F566FB #FBF566

tetradic

#66FBF5 #AB66FB #FB666C #B7FB66

square

#66FBF5 #AB66FB #FB666C #B7FB66

split-complementary

#66FBF5 #FB66B7 #FBAB66

monochromatic

#06E1D8 #2AF9F1 #66FBF5 #A2FDF9 #DDFEFD

Accessibility & contrast

On white

1.26

#66FBF5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.68

#66FBF5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FBF5

16.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FBF5	#FFFFFF	#000000	##000000
##66FBF5	1.00	1.26	16.68	16.68
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.68	21.00	1.00	1.00
##000000	16.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDEFF5

Deuteranopia (green-blind)

#D6DEF6

Tritanopia (blue-blind)

#00FFF9

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #66fbf5;
/* rgb */ color: rgb(102, 251, 245);
/* oklch */ color: oklch(90.7% 0.127 191.4);

Tailwind

colors: {
  custom: {
    50: '#a1fdf8',
    500: '#66fbf5',
    950: '#000000',
  },
}

SCSS

$custom: #66fbf5;
$custom-light: #a1fdf8;
$custom-dark: #000000;

JSON

{
  "hex": "#66fbf5",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 245
  },
  "hsl": {
    "h": 177.584,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.90694,
    "c": 0.12668,
    "h": 191.4
  },
  "luminance": 0.78412
}

Semantic roles & 50–950 ramp

primary

#66FBF5

secondary

#D53037

accent

#0009E6

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101817

muted

#818685

Preview Lab

Preview with #66FBF5

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

Preview Lab → · Contrast checker → · Palette generator →