#66FEE5#66FEE5

#66FEE5 is a very light, vivid teal. Relative luminance 0.794; OKLCH L 90.9% C 0.134 H 180.4°. Best body text is #000000 at 16.87:1 contrast (WCAG AA passes).

Color values

HEX	#66FEE5
RGB	rgb(102, 254, 229)
HSL	hsl(170, 99%, 70%)
HSV	hsv(170, 60%, 100%)
CMYK	cmyk(59.8%, 0%, 9.8%, 0.4%)
CIE-LAB	lab(91.40, -46.12, -0.09)
CIE-LCH	lch(91.40, 46.12, 180.11°)
OKLab	oklab(90.9% -0.134 -0.001)
OKLCH	oklch(90.9% 0.134 180.4)
XYZ	xyz(55.0576, 79.3598, 86.5299)
Luminance	0.7937 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FEE5 #FE667F

analogous

#66FE99 #66FEE5 #66CBFE

triadic

#66FEE5 #E566FE #FEE566

tetradic

#66FEE5 #9966FE #FE667F #CBFE66

square

#66FEE5 #9966FE #FE667F #CBFE66

split-complementary

#66FEE5 #FE66CB #FE9966

monochromatic

#02E8C2 #29FEDB #66FEE5 #A3FEEF #E0FFFA

Accessibility & contrast

On white

1.24

#66FEE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.87

#66FEE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FEE5

16.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FEE5	#FFFFFF	#000000	##000000
##66FEE5	1.00	1.24	16.87	16.87
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.87	21.00	1.00	1.00
##000000	16.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4F0E4

Deuteranopia (green-blind)

#DDDFE7

Tritanopia (blue-blind)

#00FFF6

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #66fee5;
/* rgb */ color: rgb(102, 254, 229);
/* oklch */ color: oklch(90.9% 0.134 180.4);

Tailwind

colors: {
  custom: {
    50: '#a0ffed',
    500: '#66fee5',
    950: '#000000',
  },
}

SCSS

$custom: #66fee5;
$custom-light: #a0ffed;
$custom-dark: #000000;

JSON

{
  "hex": "#66fee5",
  "rgb": {
    "r": 102,
    "g": 254,
    "b": 229
  },
  "hsl": {
    "h": 170.132,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.90904,
    "c": 0.13395,
    "h": 180.4
  },
  "luminance": 0.79366
}

Semantic roles & 50–950 ramp

primary

#66FEE5

secondary

#D92F4B

accent

#0026E6

background

#FDFFFE

surface

#F7FFFD

border

#D0D7D5

text

#101816

muted

#818684

Preview Lab

Preview with #66FEE5

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

Preview Lab → · Contrast checker → · Palette generator →