#66F3EC#66F3EC

#66F3EC is a very light, vivid teal. Relative luminance 0.730; OKLCH L 88.6% C 0.122 H 190.7°. Best body text is #000000 at 15.60:1 contrast (WCAG AA passes).

Color values

HEX	#66F3EC
RGB	rgb(102, 243, 236)
HSL	hsl(177, 85%, 68%)
HSV	hsv(177, 58%, 95%)
CMYK	cmyk(58%, 0%, 2.9%, 4.7%)
CIE-LAB	lab(88.44, -39.49, -8.09)
CIE-LCH	lch(88.44, 40.31, 191.57°)
OKLab	oklab(88.56% -0.1198 -0.0225)
OKLCH	oklch(88.56% 0.122 190.7)
XYZ	xyz(52.6638, 72.9767, 90.6511)
Luminance	0.7298 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F3EC #F3666D

analogous

#66F3A5 #66F3EC #66B4F3

triadic

#66F3EC #EC66F3 #F3EC66

tetradic

#66F3EC #A566F3 #F3666D #B4F366

square

#66F3EC #A566F3 #F3666D #B4F366

split-complementary

#66F3EC #F366B4 #F3A566

monochromatic

#10CEC5 #2DEFE5 #66F3EC #9FF7F3 #D7FCFA

Accessibility & contrast

On white

1.35

#66F3EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.60

#66F3EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3EC

15.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F3EC	#FFFFFF	#000000	##000000
##66F3EC	1.00	1.35	15.60	15.60
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.60	21.00	1.00	1.00
##000000	15.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6E8EC

Deuteranopia (green-blind)

#D0D7ED

Tritanopia (blue-blind)

#00F9F0

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66f3ec;
/* rgb */ color: rgb(102, 243, 236);
/* oklch */ color: oklch(88.6% 0.122 190.7);

Tailwind

colors: {
  custom: {
    50: '#9ff7f2',
    500: '#66f3ec',
    950: '#000000',
  },
}

SCSS

$custom: #66f3ec;
$custom-light: #9ff7f2;
$custom-dark: #000000;

JSON

{
  "hex": "#66f3ec",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 236
  },
  "hsl": {
    "h": 177.021,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.88564,
    "c": 0.1219,
    "h": 190.7
  },
  "luminance": 0.72982
}

Semantic roles & 50–950 ramp

primary

#66F3EC

secondary

#CA333A

accent

#040FE2

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101716

muted

#818585

Preview Lab

Preview with #66F3EC

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

Preview Lab → · Contrast checker → · Palette generator →