#66F5E8#66F5E8

#66F5E8 is a very light, vivid teal. Relative luminance 0.740; OKLCH L 88.9% C 0.124 H 186.9°. Best body text is #000000 at 15.79:1 contrast (WCAG AA passes).

Color values

HEX	#66F5E8
RGB	rgb(102, 245, 232)
HSL	hsl(175, 88%, 68%)
HSV	hsv(175, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 5.3%, 3.9%)
CIE-LAB	lab(88.90, -41.41, -5.31)
CIE-LCH	lch(88.90, 41.75, 187.31°)
OKLab	oklab(88.9% -0.1235 -0.015)
OKLCH	oklch(88.9% 0.124 186.9)
XYZ	xyz(52.6909, 73.9504, 87.8253)
Luminance	0.7396 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F5E8 #F56673

analogous

#66F5A0 #66F5E8 #66BBF5

triadic

#66F5E8 #E866F5 #F5E866

tetradic

#66F5E8 #A066F5 #F56673 #BBF566

square

#66F5E8 #A066F5 #F56673 #BBF566

split-complementary

#66F5E8 #F566BB #F5A066

monochromatic

#0ED3C1 #2DF1DF #66F5E8 #9FF9F1 #D9FDF9

Accessibility & contrast

On white

1.33

#66F5E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.79

#66F5E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F5E8

15.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F5E8	#FFFFFF	#000000	##000000
##66F5E8	1.00	1.33	15.79	15.79
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.79	21.00	1.00	1.00
##000000	15.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9E9E8

Deuteranopia (green-blind)

#D3D8EA

Tritanopia (blue-blind)

#00FAF1

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #66f5e8;
/* rgb */ color: rgb(102, 245, 232);
/* oklch */ color: oklch(88.9% 0.124 186.9);

Tailwind

colors: {
  custom: {
    50: '#9ff9ef',
    500: '#66f5e8',
    950: '#000000',
  },
}

SCSS

$custom: #66f5e8;
$custom-light: #9ff9ef;
$custom-dark: #000000;

JSON

{
  "hex": "#66f5e8",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 232
  },
  "hsl": {
    "h": 174.545,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.88902,
    "c": 0.12443,
    "h": 186.9
  },
  "luminance": 0.73956
}

Semantic roles & 50–950 ramp

primary

#66F5E8

secondary

#CE3140

accent

#0116E4

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101716

muted

#818585

Preview Lab

Preview with #66F5E8

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

Preview Lab → · Contrast checker → · Palette generator →