#66E2FC#66E2FC

#66E2FC is a very light, moderate cyan. Relative luminance 0.642; OKLCH L 85.2% C 0.115 H 213.6°. Best body text is #000000 at 13.85:1 contrast (WCAG AA passes).

Color values

HEX	#66E2FC
RGB	rgb(102, 226, 252)
HSL	hsl(190, 96%, 69%)
HSV	hsv(190, 60%, 99%)
CMYK	cmyk(59.5%, 10.3%, 0%, 1.2%)
CIE-LAB	lab(84.09, -27.16, -23.01)
CIE-LCH	lch(84.09, 35.60, 220.28°)
OKLab	oklab(85.22% -0.096 -0.0638)
OKLCH	oklch(85.22% 0.115 213.6)
XYZ	xyz(50.2394, 64.2407, 101.8286)
Luminance	0.6425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E2FC #FC8066

analogous

#66FCCB #66E2FC #6697FC

triadic

#66E2FC #FC66E2 #E2FC66

tetradic

#66E2FC #CB66FC #FC8066 #97FC66

square

#66E2FC #CB66FC #FC8066 #97FC66

split-complementary

#66E2FC #FC6697 #FCCB66

monochromatic

#04BDE3 #2AD7FB #66E2FC #A2EDFD #DEF9FE

Accessibility & contrast

On white

1.52

#66E2FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.85

#66E2FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E2FC

13.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E2FC	#FFFFFF	#000000	##000000
##66E2FC	1.00	1.52	13.85	13.85
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.85	21.00	1.00	1.00
##000000	13.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFDBFE

Deuteranopia (green-blind)

#B8CBFC

Tritanopia (blue-blind)

#00ECEA

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66e2fc;
/* rgb */ color: rgb(102, 226, 252);
/* oklch */ color: oklch(85.2% 0.115 213.6);

Tailwind

colors: {
  custom: {
    50: '#9febfd',
    500: '#66e2fc',
    950: '#000000',
  },
}

SCSS

$custom: #66e2fc;
$custom-light: #9febfd;
$custom-dark: #000000;

JSON

{
  "hex": "#66e2fc",
  "rgb": {
    "r": 102,
    "g": 226,
    "b": 252
  },
  "hsl": {
    "h": 190.4,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.8522,
    "c": 0.11527,
    "h": 213.6
  },
  "luminance": 0.64246
}

Semantic roles & 50–950 ramp

primary

#66E2FC

secondary

#D64D30

accent

#2800E6

background

#FDFEFF

surface

#F7FDFF

border

#D0D5D7

text

#101617

muted

#818485

Preview Lab

Preview with #66E2FC

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

Preview Lab → · Contrast checker → · Palette generator →