#66FBF4#66FBF4

#66FBF4 is a very light, vivid teal. Relative luminance 0.784; OKLCH L 90.7% C 0.127 H 190.8°. Best body text is #000000 at 16.67:1 contrast (WCAG AA passes).

Color values

HEX	#66FBF4
RGB	rgb(102, 251, 244)
HSL	hsl(177, 95%, 69%)
HSV	hsv(177, 59%, 98%)
CMYK	cmyk(59.4%, 0%, 2.8%, 1.6%)
CIE-LAB	lab(90.94, -41.03, -8.55)
CIE-LCH	lch(90.94, 41.91, 191.77°)
OKLab	oklab(90.66% -0.1246 -0.0238)
OKLCH	oklch(90.66% 0.127 190.8)
XYZ	xyz(56.2986, 78.3449, 97.7255)
Luminance	0.7835 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FBF4 #FB666D

analogous

#66FBAA #66FBF4 #66B8FB

triadic

#66FBF4 #F466FB #FBF466

tetradic

#66FBF4 #AA66FB #FB666D #B8FB66

square

#66FBF4 #AA66FB #FB666D #B8FB66

split-complementary

#66FBF4 #FB66B8 #FBAA66

monochromatic

#06E1D6 #2AF9F0 #66FBF4 #A2FDF8 #DDFEFD

Accessibility & contrast

On white

1.26

#66FBF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.67

#66FBF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FBF4

16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FBF4	#FFFFFF	#000000	##000000
##66FBF4	1.00	1.26	16.67	16.67
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.67	21.00	1.00	1.00
##000000	16.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDEFF4

Deuteranopia (green-blind)

#D6DEF5

Tritanopia (blue-blind)

#00FFF8

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #66fbf4;
/* rgb */ color: rgb(102, 251, 244);
/* oklch */ color: oklch(90.7% 0.127 190.8);

Tailwind

colors: {
  custom: {
    50: '#a0fdf7',
    500: '#66fbf4',
    950: '#000000',
  },
}

SCSS

$custom: #66fbf4;
$custom-light: #a0fdf7;
$custom-dark: #000000;

JSON

{
  "hex": "#66fbf4",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 244
  },
  "hsl": {
    "h": 177.181,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.90662,
    "c": 0.12683,
    "h": 190.8
  },
  "luminance": 0.78351
}

Semantic roles & 50–950 ramp

primary

#66FBF4

secondary

#D53038

accent

#000BE6

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101817

muted

#818685

Preview Lab

Preview with #66FBF4

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

Preview Lab → · Contrast checker → · Palette generator →