#66E3FB#66E3FB

#66E3FB is a very light, moderate teal. Relative luminance 0.647; OKLCH L 85.4% C 0.115 H 212.2°. Best body text is #000000 at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#66E3FB
RGB	rgb(102, 227, 251)
HSL	hsl(190, 95%, 69%)
HSV	hsv(190, 59%, 98%)
CMYK	cmyk(59.4%, 9.6%, 0%, 1.6%)
CIE-LAB	lab(84.34, -27.93, -22.11)
CIE-LCH	lch(84.34, 35.62, 218.37°)
OKLab	oklab(85.41% -0.0974 -0.0613)
OKLCH	oklch(85.41% 0.115 212.2)
XYZ	xyz(50.3540, 64.7229, 101.0872)
Luminance	0.6473 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E3FB #FB7E66

analogous

#66FBC8 #66E3FB #6699FB

triadic

#66E3FB #FB66E3 #E3FB66

tetradic

#66E3FB #C866FB #FB7E66 #99FB66

square

#66E3FB #C866FB #FB7E66 #99FB66

split-complementary

#66E3FB #FB6699 #FBC866

monochromatic

#06BDE1 #2AD8F9 #66E3FB #A2EEFD #DDF9FE

Accessibility & contrast

On white

1.51

#66E3FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.95

#66E3FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E3FB

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E3FB	#FFFFFF	#000000	##000000
##66E3FB	1.00	1.51	13.95	13.95
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.95	21.00	1.00	1.00
##000000	13.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0DCFC

Deuteranopia (green-blind)

#BACBFB

Tritanopia (blue-blind)

#00EDEA

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66e3fb;
/* rgb */ color: rgb(102, 227, 251);
/* oklch */ color: oklch(85.4% 0.115 212.2);

Tailwind

colors: {
  custom: {
    50: '#9fecfc',
    500: '#66e3fb',
    950: '#000000',
  },
}

SCSS

$custom: #66e3fb;
$custom-light: #9fecfc;
$custom-dark: #000000;

JSON

{
  "hex": "#66e3fb",
  "rgb": {
    "r": 102,
    "g": 227,
    "b": 251
  },
  "hsl": {
    "h": 189.664,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.8541,
    "c": 0.11507,
    "h": 212.2
  },
  "luminance": 0.64728
}

Semantic roles & 50–950 ramp

primary

#66E3FB

secondary

#D54B30

accent

#2500E6

background

#FDFEFF

surface

#F7FDFF

border

#D0D5D7

text

#101617

muted

#818485

Preview Lab

Preview with #66E3FB

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

Preview Lab → · Contrast checker → · Palette generator →