#66BCBE#66BCBE

#66BCBE is a light, moderate teal. Relative luminance 0.425; OKLCH L 74.2% C 0.083 H 197.5°. Best body text is #000000 at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#66BCBE
RGB	rgb(102, 188, 190)
HSL	hsl(181, 40%, 57%)
HSV	hsv(181, 46%, 75%)
CMYK	cmyk(46.3%, 1.1%, 0%, 25.5%)
CIE-LAB	lab(71.22, -25.40, -9.08)
CIE-LCH	lch(71.22, 26.97, 199.68°)
OKLab	oklab(74.23% -0.0795 -0.025)
OKLCH	oklch(74.23% 0.083 197.5)
XYZ	xyz(32.7533, 42.5062, 55.1837)
Luminance	0.4251 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BCBE #BE6866

analogous

#66BE94 #66BCBE #6690BE

triadic

#66BCBE #BE66BC #BCBE66

tetradic

#66BCBE #9466BE #BE6866 #90BE66

square

#66BCBE #9466BE #BE6866 #90BE66

split-complementary

#66BCBE #BE6690 #BE9466

monochromatic

#337577 #45A0A2 #66BCBE #91CFD0 #BCE2E2

Accessibility & contrast

On white

2.21

#66BCBE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.50

#66BCBE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BCBE

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BCBE	#FFFFFF	#000000	##000000
##66BCBE	1.00	2.21	9.50	9.50
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.50	21.00	1.00	1.00
##000000	9.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2B5BE

Deuteranopia (green-blind)

#A3AABF

Tritanopia (blue-blind)

#35C1BC

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #66bcbe;
/* rgb */ color: rgb(102, 188, 190);
/* oklch */ color: oklch(74.2% 0.083 197.5);

Tailwind

colors: {
  custom: {
    50: '#98d0d1',
    500: '#66bcbe',
    950: '#000000',
  },
}

SCSS

$custom: #66bcbe;
$custom-light: #98d0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#66bcbe",
  "rgb": {
    "r": 102,
    "g": 188,
    "b": 190
  },
  "hsl": {
    "h": 181.364,
    "s": 40.367,
    "l": 57.255
  },
  "oklch": {
    "l": 0.74231,
    "c": 0.08337,
    "h": 197.5
  },
  "luminance": 0.42509
}

Semantic roles & 50–950 ramp

primary

#66BCBE

secondary

#D2AFAE

accent

#5A58D0

background

#F9FCFC

surface

#F2F9F9

border

#CCD2D2

text

#0E1414

muted

#7E8282

Preview Lab

Preview with #66BCBE

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

Preview Lab → · Contrast checker → · Palette generator →