#66E4EE#66E4EE

#66E4EE is a very light, moderate teal. Relative luminance 0.645; OKLCH L 85.2% C 0.112 H 202.4°. Best body text is #000000 at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#66E4EE
RGB	rgb(102, 228, 238)
HSL	hsl(184, 80%, 67%)
HSV	hsv(184, 57%, 93%)
CMYK	cmyk(57.1%, 4.2%, 0%, 6.7%)
CIE-LAB	lab(84.22, -32.00, -15.44)
CIE-LCH	lch(84.22, 35.53, 205.75°)
OKLab	oklab(85.17% -0.1035 -0.0427)
OKLCH	oklch(85.17% 0.112 202.4)
XYZ	xyz(48.6491, 64.4798, 90.7544)
Luminance	0.6449 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E4EE #EE7066

analogous

#66EEB4 #66E4EE #66A0EE

triadic

#66E4EE #EE66E4 #E4EE66

tetradic

#66E4EE #B466EE #EE7066 #A0EE66

square

#66E4EE #B466EE #EE7066 #A0EE66

split-complementary

#66E4EE #EE66A0 #EEB466

monochromatic

#16B7C4 #2FDAE8 #66E4EE #9DEEF4 #D4F7FA

Accessibility & contrast

On white

1.51

#66E4EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.90

#66E4EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E4EE

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E4EE	#FFFFFF	#000000	##000000
##66E4EE	1.00	1.51	13.90	13.90
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.90	21.00	1.00	1.00
##000000	13.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4DBEF

Deuteranopia (green-blind)

#BFCBEF

Tritanopia (blue-blind)

#00ECE7

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66e4ee;
/* rgb */ color: rgb(102, 228, 238);
/* oklch */ color: oklch(85.2% 0.112 202.4);

Tailwind

colors: {
  custom: {
    50: '#9eedf3',
    500: '#66e4ee',
    950: '#000000',
  },
}

SCSS

$custom: #66e4ee;
$custom-light: #9eedf3;
$custom-dark: #000000;

JSON

{
  "hex": "#66e4ee",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 238
  },
  "hsl": {
    "h": 184.412,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.85173,
    "c": 0.11199,
    "h": 202.4
  },
  "luminance": 0.64485
}

Semantic roles & 50–950 ramp

primary

#66E4EE

secondary

#C24137

accent

#1909DC

background

#FCFFFF

surface

#F6FEFE

border

#D0D6D6

text

#101617

muted

#808585

Preview Lab

Preview with #66E4EE

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

Preview Lab → · Contrast checker → · Palette generator →