#66E4CC#66E4CC

#66E4CC is a very light, moderate teal. Relative luminance 0.627; OKLCH L 84.1% C 0.118 H 178.9°. Best body text is #000000 at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#66E4CC
RGB	rgb(102, 228, 204)
HSL	hsl(169, 70%, 65%)
HSV	hsv(169, 55%, 89%)
CMYK	cmyk(55.3%, 0%, 10.5%, 10.6%)
CIE-LAB	lab(83.27, -40.74, 1.13)
CIE-LCH	lch(83.27, 40.76, 178.41°)
OKLab	oklab(84.09% -0.1178 0.0024)
OKLCH	oklch(84.09% 0.118 178.9)
XYZ	xyz(44.1171, 62.6670, 66.8860)
Luminance	0.6267 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E4CC #E4667E

analogous

#66E48D #66E4CC #66BDE4

triadic

#66E4CC #CC66E4 #E4CC66

tetradic

#66E4CC #8D66E4 #E4667E #BDE466

square

#66E4CC #8D66E4 #E4667E #BDE466

split-complementary

#66E4CC #E466BD #E48D66

monochromatic

#1FB095 #32DBBB #66E4CC #9AEDDD #CEF6EF

Accessibility & contrast

On white

1.55

#66E4CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.53

#66E4CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E4CC

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E4CC	#FFFFFF	#000000	##000000
##66E4CC	1.00	1.55	13.53	13.53
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.53	21.00	1.00	1.00
##000000	13.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCD8CB

Deuteranopia (green-blind)

#C8CACE

Tritanopia (blue-blind)

#00E7DD

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #66e4cc;
/* rgb */ color: rgb(102, 228, 204);
/* oklch */ color: oklch(84.1% 0.118 178.9);

Tailwind

colors: {
  custom: {
    50: '#9ceddb',
    500: '#66e4cc',
    950: '#000000',
  },
}

SCSS

$custom: #66e4cc;
$custom-light: #9ceddb;
$custom-dark: #000000;

JSON

{
  "hex": "#66e4cc",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 204
  },
  "hsl": {
    "h": 168.571,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.84092,
    "c": 0.11787,
    "h": 178.9
  },
  "luminance": 0.62671
}

Semantic roles & 50–950 ramp

primary

#66E4CC

secondary

#B13D53

accent

#1438D2

background

#FCFFFE

surface

#F6FEFB

border

#D0D6D4

text

#0F1615

muted

#808584

Preview Lab

Preview with #66E4CC

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

Preview Lab → · Contrast checker → · Palette generator →