#66F3E8#66F3E8

#66F3E8 is a very light, vivid teal. Relative luminance 0.728; OKLCH L 88.4% C 0.123 H 188.1°. Best body text is #000000 at 15.55:1 contrast (WCAG AA passes).

Color values

HEX	#66F3E8
RGB	rgb(102, 243, 232)
HSL	hsl(175, 85%, 68%)
HSV	hsv(175, 58%, 95%)
CMYK	cmyk(58%, 0%, 4.5%, 4.7%)
CIE-LAB	lab(88.33, -40.51, -6.16)
CIE-LCH	lch(88.33, 40.98, 188.64°)
OKLab	oklab(88.44% -0.1215 -0.0173)
OKLCH	oklch(88.44% 0.123 188.1)
XYZ	xyz(52.0891, 72.7468, 87.6247)
Luminance	0.7275 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F3E8 #F36671

analogous

#66F3A1 #66F3E8 #66B8F3

triadic

#66F3E8 #E866F3 #F3E866

tetradic

#66F3E8 #A166F3 #F36671 #B8F366

square

#66F3E8 #A166F3 #F36671 #B8F366

split-complementary

#66F3E8 #F366B8 #F3A166

monochromatic

#10CEC0 #2DEFDF #66F3E8 #9FF7F1 #D7FCF9

Accessibility & contrast

On white

1.35

#66F3E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.55

#66F3E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3E8

15.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F3E8	#FFFFFF	#000000	##000000
##66F3E8	1.00	1.35	15.55	15.55
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.55	21.00	1.00	1.00
##000000	15.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7E7E8

Deuteranopia (green-blind)

#D1D7E9

Tritanopia (blue-blind)

#00F8EF

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66f3e8;
/* rgb */ color: rgb(102, 243, 232);
/* oklch */ color: oklch(88.4% 0.123 188.1);

Tailwind

colors: {
  custom: {
    50: '#9ff7ef',
    500: '#66f3e8',
    950: '#000000',
  },
}

SCSS

$custom: #66f3e8;
$custom-light: #9ff7ef;
$custom-dark: #000000;

JSON

{
  "hex": "#66f3e8",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 232
  },
  "hsl": {
    "h": 175.319,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.88439,
    "c": 0.12271,
    "h": 188.1
  },
  "luminance": 0.72752
}

Semantic roles & 50–950 ramp

primary

#66F3E8

secondary

#CA333F

accent

#0415E2

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101716

muted

#818585

Preview Lab

Preview with #66F3E8

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

Preview Lab → · Contrast checker → · Palette generator →