#66F9B5#66F9B5

#66F9B5 is a very light, vivid teal. Relative luminance 0.739; OKLCH L 88.5% C 0.159 H 160.3°. Best body text is #000000 at 15.78:1 contrast (WCAG AA passes).

Color values

HEX#66F9B5
RGBrgb(102, 249, 181)
HSLhsl(152, 92%, 69%)
HSVhsv(152, 59%, 98%)
CMYKcmyk(59%, 0%, 27.3%, 2.4%)
CIE-LABlab(88.88, -54.75, 21.10)
CIE-LCHlch(88.88, 58.67, 158.92°)
OKLaboklab(88.5% -0.15 0.0537)
OKLCHoklch(88.5% 0.159 160.3)
XYZxyz(47.6913, 73.9076, 55.4594)
Luminance0.7391 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F9B5 #F966AA
analogous
#66F96C #66F9B5 #66F4F9
triadic
#66F9B5 #B566F9 #F9B566
tetradic
#66F9B5 #6C66F9 #F966AA #F4F966
square
#66F9B5 #6C66F9 #F966AA #F4F966
split-complementary
#66F9B5 #F966F4 #F96C66
monochromatic
#09DC7A #2BF799 #66F9B5 #A1FBD1 #DCFEEE

Accessibility & contrast

On white

1.33
#66F9B5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.78
#66F9B5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F9B5
15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F9B5#FFFFFF#000000##000000
##66F9B51.001.3315.7815.78
#FFFFFF1.331.0021.0021.00
#00000015.7821.001.001.00
##00000015.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#F6E8B1
Deuteranopia (green-blind)
#E2D9B9
Tritanopia (blue-blind)
#1CF8E7
Achromatopsia (no color)
#DFDFDF

Design tokens & code

CSS
--color: #66f9b5;
/* rgb */ color: rgb(102, 249, 181);
/* oklch */ color: oklch(88.5% 0.159 160.3);
Tailwind
colors: {
  custom: {
    50: '#9efccb',
    500: '#66f9b5',
    950: '#000000',
  },
}
SCSS
$custom: #66f9b5;
$custom-light: #9efccb;
$custom-dark: #000000;
JSON
{
  "hex": "#66f9b5",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 181
  },
  "hsl": {
    "h": 152.245,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.88496,
    "c": 0.15931,
    "h": 160.3
  },
  "luminance": 0.73912
}

Semantic roles & 50–950 ramp

primary
#66F9B5
secondary
#D3307C
accent
#006AE6
background
#FCFFFD
surface
#F6FFF9
border
#D0D7D2
text
#101813
muted
#808682

Preview Lab

Preview with #66F9B5

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

Preview Lab → · Contrast checker → · Palette generator →

#66F9B5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva