#66C8CC#66C8CC

#66C8CC is a light, moderate teal. Relative luminance 0.485; OKLCH L 77.5% C 0.092 H 199.0°. Best body text is #000000 at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#66C8CC
RGB	rgb(102, 200, 204)
HSL	hsl(182, 50%, 60%)
HSV	hsv(182, 50%, 80%)
CMYK	cmyk(50%, 2%, 0%, 20%)
CIE-LAB	lab(75.13, -27.64, -10.86)
CIE-LCH	lch(75.13, 29.70, 201.46°)
OKLab	oklab(77.52% -0.0873 -0.03)
OKLCH	oklch(77.52% 0.092 199)
XYZ	xyz(37.0284, 48.4897, 64.5231)
Luminance	0.4849 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C8CC #CC6A66

analogous

#66CC9D #66C8CC #6695CC

triadic

#66C8CC #CC66C8 #C8CC66

tetradic

#66C8CC #9D66CC #CC6A66 #95CC66

square

#66C8CC #9D66CC #CC6A66 #95CC66

split-complementary

#66C8CC #CC6695 #CC9D66

monochromatic

#2E868A #3DB3B8 #66C8CC #94D8DB #C2E9EB

Accessibility & contrast

On white

1.96

#66C8CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.70

#66C8CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C8CC

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C8CC	#FFFFFF	#000000	##000000
##66C8CC	1.00	1.96	10.70	10.70
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.70	21.00	1.00	1.00
##000000	10.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCC0CC

Deuteranopia (green-blind)

#ABB4CD

Tritanopia (blue-blind)

#20CEC9

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #66c8cc;
/* rgb */ color: rgb(102, 200, 204);
/* oklch */ color: oklch(77.5% 0.092 199.0);

Tailwind

colors: {
  custom: {
    50: '#99d9db',
    500: '#66c8cc',
    950: '#000000',
  },
}

SCSS

$custom: #66c8cc;
$custom-light: #99d9db;
$custom-dark: #000000;

JSON

{
  "hex": "#66c8cc",
  "rgb": {
    "r": 102,
    "g": 200,
    "b": 204
  },
  "hsl": {
    "h": 182.353,
    "s": 50,
    "l": 60
  },
  "oklch": {
    "l": 0.77518,
    "c": 0.09232,
    "h": 199
  },
  "luminance": 0.48493
}

Semantic roles & 50–950 ramp

primary

#66C8CC

secondary

#DBB5B3

accent

#544EDA

background

#F9FDFD

surface

#F2FAFB

border

#CCD3D4

text

#0F1415

muted

#7E8383

Preview Lab

Preview with #66C8CC

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

Preview Lab → · Contrast checker → · Palette generator →