#66E9FA#66E9FA

#66E9FA is a very light, moderate teal. Relative luminance 0.680; OKLCH L 86.7% C 0.117 H 206.9°. Best body text is #000000 at 14.60:1 contrast (WCAG AA passes).

Color values

HEX	#66E9FA
RGB	rgb(102, 233, 250)
HSL	hsl(187, 94%, 69%)
HSV	hsv(187, 59%, 98%)
CMYK	cmyk(59.2%, 6.8%, 0%, 2%)
CIE-LAB	lab(86.01, -31.09, -19.06)
CIE-LCH	lch(86.01, 36.47, 211.51°)
OKLab	oklab(86.74% -0.1039 -0.0528)
OKLCH	oklch(86.74% 0.117 206.9)
XYZ	xyz(51.8665, 67.9994, 100.8157)
Luminance	0.6801 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E9FA #FA7766

analogous

#66FAC1 #66E9FA #669FFA

triadic

#66E9FA #FA66E9 #E9FA66

tetradic

#66E9FA #C166FA #FA7766 #9FFA66

square

#66E9FA #C166FA #FA7766 #9FFA66

split-complementary

#66E9FA #FA669F #FAC166

monochromatic

#07C6DE #2BE0F8 #66E9FA #A1F2FC #DDFAFE

Accessibility & contrast

On white

1.44

#66E9FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.60

#66E9FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E9FA

14.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E9FA	#FFFFFF	#000000	##000000
##66E9FA	1.00	1.44	14.60	14.60
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.60	21.00	1.00	1.00
##000000	14.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7E1FB

Deuteranopia (green-blind)

#C1D0FA

Tritanopia (blue-blind)

#00F2EE

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66e9fa;
/* rgb */ color: rgb(102, 233, 250);
/* oklch */ color: oklch(86.7% 0.117 206.9);

Tailwind

colors: {
  custom: {
    50: '#9ff0fc',
    500: '#66e9fa',
    950: '#000000',
  },
}

SCSS

$custom: #66e9fa;
$custom-light: #9ff0fc;
$custom-dark: #000000;

JSON

{
  "hex": "#66e9fa",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 250
  },
  "hsl": {
    "h": 186.892,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.86739,
    "c": 0.11654,
    "h": 206.9
  },
  "luminance": 0.68005
}

Semantic roles & 50–950 ramp

primary

#66E9FA

secondary

#D44330

accent

#1A00E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101617

muted

#818585

Preview Lab

Preview with #66E9FA

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

Preview Lab → · Contrast checker → · Palette generator →