#66F3F3#66F3F3

#66F3F3 is a very light, vivid teal. Relative luminance 0.734; OKLCH L 88.8% C 0.121 H 195.2°. Best body text is #000000 at 15.68:1 contrast (WCAG AA passes).

Color values

HEX	#66F3F3
RGB	rgb(102, 243, 243)
HSL	hsl(180, 85%, 68%)
HSV	hsv(180, 58%, 95%)
CMYK	cmyk(58%, 0%, 0%, 4.7%)
CIE-LAB	lab(88.63, -37.66, -11.45)
CIE-LCH	lch(88.63, 39.36, 196.91°)
OKLab	oklab(88.79% -0.1169 -0.0317)
OKLCH	oklch(88.79% 0.121 195.2)
XYZ	xyz(53.7007, 73.3915, 96.1125)
Luminance	0.7340 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F3F3 #F36666

analogous

#66F3AC #66F3F3 #66ACF3

triadic

#66F3F3 #F366F3 #F3F366

tetradic

#66F3F3 #AC66F3 #F36666 #ACF366

square

#66F3F3 #AC66F3 #F36666 #ACF366

split-complementary

#66F3F3 #F366AC #F3AC66

monochromatic

#10CECE #2DEFEF #66F3F3 #9FF7F7 #D7FCFC

Accessibility & contrast

On white

1.34

#66F3F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.68

#66F3F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3F3

15.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F3F3	#FFFFFF	#000000	##000000
##66F3F3	1.00	1.34	15.68	15.68
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.68	21.00	1.00	1.00
##000000	15.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5E8F3

Deuteranopia (green-blind)

#CED7F4

Tritanopia (blue-blind)

#00FAF3

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66f3f3;
/* rgb */ color: rgb(102, 243, 243);
/* oklch */ color: oklch(88.8% 0.121 195.2);

Tailwind

colors: {
  custom: {
    50: '#a0f7f7',
    500: '#66f3f3',
    950: '#000000',
  },
}

SCSS

$custom: #66f3f3;
$custom-light: #a0f7f7;
$custom-dark: #000000;

JSON

{
  "hex": "#66f3f3",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 243
  },
  "hsl": {
    "h": 180,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.88789,
    "c": 0.12113,
    "h": 195.2
  },
  "luminance": 0.73397
}

Semantic roles & 50–950 ramp

primary

#66F3F3

secondary

#CA3333

accent

#0404E2

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101717

muted

#818585

Preview Lab

Preview with #66F3F3

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

Preview Lab → · Contrast checker → · Palette generator →