#66BED5#66BED5

#66BED5 is a light, moderate cyan. Relative luminance 0.445; OKLCH L 75.5% C 0.091 H 216.9°. Best body text is #000000 at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#66BED5
RGB	rgb(102, 190, 213)
HSL	hsl(192, 57%, 62%)
HSV	hsv(192, 52%, 84%)
CMYK	cmyk(52.1%, 10.8%, 0%, 16.5%)
CIE-LAB	lab(72.53, -20.17, -19.67)
CIE-LCH	lch(72.53, 28.17, 224.28°)
OKLab	oklab(75.52% -0.0725 -0.0544)
OKLCH	oklch(75.52% 0.091 216.9)
XYZ	xyz(35.8985, 44.4526, 69.6263)
Luminance	0.4446 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BED5 #D57D66

analogous

#66D5B4 #66BED5 #6687D5

triadic

#66BED5 #D566BE #BED566

tetradic

#66BED5 #B466D5 #D57D66 #87D566

square

#66BED5 #B466D5 #D57D66 #87D566

split-complementary

#66BED5 #D56687 #D5B466

monochromatic

#298097 #37A9C7 #66BED5 #96D2E2 #C6E7EF

Accessibility & contrast

On white

2.12

#66BED5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.89

#66BED5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BED5

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BED5	#FFFFFF	#000000	##000000
##66BED5	1.00	2.12	9.89	9.89
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.89	21.00	1.00	1.00
##000000	9.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEB9D6

Deuteranopia (green-blind)

#9EACD5

Tritanopia (blue-blind)

#17C6C5

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #66bed5;
/* rgb */ color: rgb(102, 190, 213);
/* oklch */ color: oklch(75.5% 0.091 216.9);

Tailwind

colors: {
  custom: {
    50: '#99d1e2',
    500: '#66bed5',
    950: '#000000',
  },
}

SCSS

$custom: #66bed5;
$custom-light: #99d1e2;
$custom-dark: #000000;

JSON

{
  "hex": "#66bed5",
  "rgb": {
    "r": 102,
    "g": 190,
    "b": 213
  },
  "hsl": {
    "h": 192.432,
    "s": 56.923,
    "l": 61.765
  },
  "oklch": {
    "l": 0.75525,
    "c": 0.09066,
    "h": 216.9
  },
  "luminance": 0.44456
}

Semantic roles & 50–950 ramp

primary

#66BED5

secondary

#E0BFB7

accent

#4321C4

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0F1415

muted

#7E8283

Preview Lab

Preview with #66BED5

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

Preview Lab → · Contrast checker → · Palette generator →