#66E4F2#66E4F2

#66E4F2 is a very light, moderate teal. Relative luminance 0.647; OKLCH L 85.3% C 0.113 H 205.2°. Best body text is #000000 at 13.94:1 contrast (WCAG AA passes).

Color values

HEX	#66E4F2
RGB	rgb(102, 228, 242)
HSL	hsl(186, 84%, 67%)
HSV	hsv(186, 58%, 95%)
CMYK	cmyk(57.9%, 5.8%, 0%, 5.1%)
CIE-LAB	lab(84.34, -30.91, -17.36)
CIE-LCH	lch(84.34, 35.45, 209.32°)
OKLab	oklab(85.31% -0.1019 -0.048)
OKLCH	oklch(85.31% 0.113 205.2)
XYZ	xyz(49.2433, 64.7174, 93.8838)
Luminance	0.6472 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E4F2 #F27466

analogous

#66F2BA #66E4F2 #669EF2

triadic

#66E4F2 #F266E4 #E4F266

tetradic

#66E4F2 #BA66F2 #F27466 #9EF266

square

#66E4F2 #BA66F2 #F27466 #9EF266

split-complementary

#66E4F2 #F2669E #F2BA66

monochromatic

#11BACC #2EDAED #66E4F2 #9EEEF7 #D7F8FC

Accessibility & contrast

On white

1.51

#66E4F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.94

#66E4F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E4F2

13.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E4F2	#FFFFFF	#000000	##000000
##66E4F2	1.00	1.51	13.94	13.94
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.94	21.00	1.00	1.00
##000000	13.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4DCF3

Deuteranopia (green-blind)

#BECCF2

Tritanopia (blue-blind)

#00ECE8

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66e4f2;
/* rgb */ color: rgb(102, 228, 242);
/* oklch */ color: oklch(85.3% 0.113 205.2);

Tailwind

colors: {
  custom: {
    50: '#9eedf6',
    500: '#66e4f2',
    950: '#000000',
  },
}

SCSS

$custom: #66e4f2;
$custom-light: #9eedf6;
$custom-dark: #000000;

JSON

{
  "hex": "#66e4f2",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 242
  },
  "hsl": {
    "h": 186,
    "s": 84.337,
    "l": 67.451
  },
  "oklch": {
    "l": 0.85313,
    "c": 0.11269,
    "h": 205.2
  },
  "luminance": 0.64722
}

Semantic roles & 50–950 ramp

primary

#66E4F2

secondary

#C94334

accent

#1B05E1

background

#FCFFFF

surface

#F6FEFE

border

#D0D6D6

text

#101617

muted

#808585

Preview Lab

Preview with #66E4F2

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

Preview Lab → · Contrast checker → · Palette generator →