#66EFE8#66EFE8

#66EFE8 is a very light, moderate teal. Relative luminance 0.704; OKLCH L 87.5% C 0.119 H 190.6°. Best body text is #000000 at 15.08:1 contrast (WCAG AA passes).

Color values

HEX	#66EFE8
RGB	rgb(102, 239, 232)
HSL	hsl(177, 81%, 67%)
HSV	hsv(177, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 2.9%, 6.3%)
CIE-LAB	lab(87.18, -38.70, -7.85)
CIE-LCH	lch(87.18, 39.49, 191.47°)
OKLab	oklab(87.51% -0.1174 -0.0219)
OKLCH	oklch(87.51% 0.119 190.6)
XYZ	xyz(50.9051, 70.3788, 87.2300)
Luminance	0.7038 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EFE8 #EF666D

analogous

#66EFA4 #66EFE8 #66B2EF

triadic

#66EFE8 #E866EF #EFE866

tetradic

#66EFE8 #A466EF #EF666D #B2EF66

square

#66EFE8 #A466EF #EF666D #B2EF66

split-complementary

#66EFE8 #EF66B2 #EFA466

monochromatic

#15C6BD #2FE9E0 #66EFE8 #9DF5F0 #D5FBF9

Accessibility & contrast

On white

1.39

#66EFE8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.08

#66EFE8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFE8

15.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EFE8	#FFFFFF	#000000	##000000
##66EFE8	1.00	1.39	15.08	15.08
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.08	21.00	1.00	1.00
##000000	15.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2E4E8

Deuteranopia (green-blind)

#CDD4E9

Tritanopia (blue-blind)

#00F5EC

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #66efe8;
/* rgb */ color: rgb(102, 239, 232);
/* oklch */ color: oklch(87.5% 0.119 190.6);

Tailwind

colors: {
  custom: {
    50: '#9ff4ef',
    500: '#66efe8',
    950: '#000000',
  },
}

SCSS

$custom: #66efe8;
$custom-light: #9ff4ef;
$custom-dark: #000000;

JSON

{
  "hex": "#66efe8",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 232
  },
  "hsl": {
    "h": 176.934,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.87512,
    "c": 0.11939,
    "h": 190.6
  },
  "luminance": 0.70384
}

Semantic roles & 50–950 ramp

primary

#66EFE8

secondary

#C3363D

accent

#0813DD

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101716

muted

#818585

Preview Lab

Preview with #66EFE8

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

Preview Lab → · Contrast checker → · Palette generator →