#66FBF3#66FBF3

#66FBF3 is a very light, vivid teal. Relative luminance 0.783; OKLCH L 90.6% C 0.127 H 190.2°. Best body text is #000000 at 16.66:1 contrast (WCAG AA passes).

Color values

HEX	#66FBF3
RGB	rgb(102, 251, 243)
HSL	hsl(177, 95%, 69%)
HSV	hsv(177, 59%, 98%)
CMYK	cmyk(59.4%, 0%, 3.2%, 1.6%)
CIE-LAB	lab(90.91, -41.28, -8.07)
CIE-LCH	lch(90.91, 42.06, 191.06°)
OKLab	oklab(90.63% -0.125 -0.0225)
OKLCH	oklch(90.63% 0.127 190.2)
XYZ	xyz(56.1472, 78.2843, 96.9280)
Luminance	0.7829 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FBF3 #FB666E

analogous

#66FBA9 #66FBF3 #66B8FB

triadic

#66FBF3 #F366FB #FBF366

tetradic

#66FBF3 #A966FB #FB666E #B8FB66

square

#66FBF3 #A966FB #FB666E #B8FB66

split-complementary

#66FBF3 #FB66B8 #FBA966

monochromatic

#06E1D5 #2AF9EE #66FBF3 #A2FDF8 #DDFEFC

Accessibility & contrast

On white

1.26

#66FBF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.66

#66FBF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FBF3

16.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FBF3	#FFFFFF	#000000	##000000
##66FBF3	1.00	1.26	16.66	16.66
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.66	21.00	1.00	1.00
##000000	16.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EEEFF3

Deuteranopia (green-blind)

#D6DEF4

Tritanopia (blue-blind)

#00FFF8

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #66fbf3;
/* rgb */ color: rgb(102, 251, 243);
/* oklch */ color: oklch(90.6% 0.127 190.2);

Tailwind

colors: {
  custom: {
    50: '#a0fdf7',
    500: '#66fbf3',
    950: '#000000',
  },
}

SCSS

$custom: #66fbf3;
$custom-light: #a0fdf7;
$custom-dark: #000000;

JSON

{
  "hex": "#66fbf3",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 243
  },
  "hsl": {
    "h": 176.779,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.90631,
    "c": 0.127,
    "h": 190.2
  },
  "luminance": 0.7829
}

Semantic roles & 50–950 ramp

primary

#66FBF3

secondary

#D53039

accent

#000CE6

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101817

muted

#818685

Preview Lab

Preview with #66FBF3

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

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