#66F5F1#66F5F1

#66F5F1 is a very light, vivid teal. Relative luminance 0.745; OKLCH L 89.2% C 0.123 H 192.6°. Best body text is #000000 at 15.90:1 contrast (WCAG AA passes).

Color values

HEX	#66F5F1
RGB	rgb(102, 245, 241)
HSL	hsl(178, 88%, 68%)
HSV	hsv(178, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 1.6%, 3.9%)
CIE-LAB	lab(89.15, -39.10, -9.64)
CIE-LCH	lch(89.15, 40.27, 193.86°)
OKLab	oklab(89.19% -0.1197 -0.0268)
OKLCH	oklch(89.19% 0.123 192.6)
XYZ	xyz(54.0022, 74.4749, 94.7312)
Luminance	0.7448 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F5F1 #F5666A

analogous

#66F5AA #66F5F1 #66B1F5

triadic

#66F5F1 #F166F5 #F5F166

tetradic

#66F5F1 #AA66F5 #F5666A #B1F566

square

#66F5F1 #AA66F5 #F5666A #B1F566

split-complementary

#66F5F1 #F566B1 #F5AA66

monochromatic

#0ED3CD #2DF1EC #66F5F1 #9FF9F6 #D9FDFC

Accessibility & contrast

On white

1.32

#66F5F1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.90

#66F5F1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F5F1

15.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F5F1	#FFFFFF	#000000	##000000
##66F5F1	1.00	1.32	15.90	15.90
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.90	21.00	1.00	1.00
##000000	15.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7EAF1

Deuteranopia (green-blind)

#D0D9F2

Tritanopia (blue-blind)

#00FCF3

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #66f5f1;
/* rgb */ color: rgb(102, 245, 241);
/* oklch */ color: oklch(89.2% 0.123 192.6);

Tailwind

colors: {
  custom: {
    50: '#a0f9f5',
    500: '#66f5f1',
    950: '#000000',
  },
}

SCSS

$custom: #66f5f1;
$custom-light: #a0f9f5;
$custom-dark: #000000;

JSON

{
  "hex": "#66f5f1",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 241
  },
  "hsl": {
    "h": 178.322,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.89185,
    "c": 0.12271,
    "h": 192.6
  },
  "luminance": 0.7448
}

Semantic roles & 50–950 ramp

primary

#66F5F1

secondary

#CE3136

accent

#0108E4

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101717

muted

#818585

Preview Lab

Preview with #66F5F1

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

Preview Lab → · Contrast checker → · Palette generator →