#66DFF3#66DFF3

#66DFF3 is a very light, moderate teal. Relative luminance 0.621; OKLCH L 84.2% C 0.111 H 209.9°. Best body text is #000000 at 13.41:1 contrast (WCAG AA passes).

Color values

HEX	#66DFF3
RGB	rgb(102, 223, 243)
HSL	hsl(189, 85%, 68%)
HSV	hsv(189, 58%, 95%)
CMYK	cmyk(58%, 8.2%, 0%, 4.7%)
CIE-LAB	lab(82.95, -28.23, -19.99)
CIE-LCH	lch(82.95, 34.59, 215.30°)
OKLab	oklab(84.21% -0.0964 -0.0554)
OKLCH	oklch(84.21% 0.111 209.9)
XYZ	xyz(48.0382, 62.0664, 94.2250)
Luminance	0.6207 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DFF3 #F37A66

analogous

#66F3C1 #66DFF3 #6698F3

triadic

#66DFF3 #F366DF #DFF366

tetradic

#66DFF3 #C166F3 #F37A66 #98F366

square

#66DFF3 #C166F3 #F37A66 #98F366

split-complementary

#66DFF3 #F36698 #F3C166

monochromatic

#10B3CE #2DD3EF #66DFF3 #9FEBF7 #D7F7FC

Accessibility & contrast

On white

1.57

#66DFF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.41

#66DFF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DFF3

13.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DFF3	#FFFFFF	#000000	##000000
##66DFF3	1.00	1.57	13.41	13.41
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.41	21.00	1.00	1.00
##000000	13.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDD8F4

Deuteranopia (green-blind)

#B8C8F3

Tritanopia (blue-blind)

#00E8E5

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #66dff3;
/* rgb */ color: rgb(102, 223, 243);
/* oklch */ color: oklch(84.2% 0.111 209.9);

Tailwind

colors: {
  custom: {
    50: '#9ee9f7',
    500: '#66dff3',
    950: '#000000',
  },
}

SCSS

$custom: #66dff3;
$custom-light: #9ee9f7;
$custom-dark: #000000;

JSON

{
  "hex": "#66dff3",
  "rgb": {
    "r": 102,
    "g": 223,
    "b": 243
  },
  "hsl": {
    "h": 188.511,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.84206,
    "c": 0.11113,
    "h": 209.9
  },
  "luminance": 0.62071
}

Semantic roles & 50–950 ramp

primary

#66DFF3

secondary

#CA4833

accent

#2304E2

background

#FCFEFF

surface

#F6FDFE

border

#D0D5D6

text

#101617

muted

#808485

Preview Lab

Preview with #66DFF3

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

Preview Lab → · Contrast checker → · Palette generator →