#66F9BF#66F9BF

#66F9BF is a very light, vivid teal. Relative luminance 0.743; OKLCH L 88.7% C 0.151 H 164.1°. Best body text is #000000 at 15.87:1 contrast (WCAG AA passes).

Color values

HEX#66F9BF
RGBrgb(102, 249, 191)
HSLhsl(156, 92%, 69%)
HSVhsv(156, 59%, 98%)
CMYKcmyk(59%, 0%, 23.3%, 2.4%)
CIE-LABlab(89.08, -52.68, 16.24)
CIE-LCHlch(89.08, 55.13, 162.86°)
OKLaboklab(88.73% -0.1455 0.0416)
OKLCHoklch(88.73% 0.151 164.1)
XYZxyz(48.7544, 74.3329, 61.0584)
Luminance0.7434 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F9BF #F966A0
analogous
#66F976 #66F9BF #66E9F9
triadic
#66F9BF #BF66F9 #F9BF66
tetradic
#66F9BF #7666F9 #F966A0 #E9F966
square
#66F9BF #7666F9 #F966A0 #E9F966
split-complementary
#66F9BF #F966E9 #F97666
monochromatic
#09DC89 #2BF7A6 #66F9BF #A1FBD8 #DCFEF0

Accessibility & contrast

On white

1.32
#66F9BF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.87
#66F9BF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F9BF
15.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F9BF#FFFFFF#000000##000000
##66F9BF1.001.3215.8715.87
#FFFFFF1.321.0021.0021.00
#00000015.8721.001.001.00
##00000015.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#F5E9BC
Deuteranopia (green-blind)
#E0DAC3
Tritanopia (blue-blind)
#03F9E9
Achromatopsia (no color)
#E0E0E0

Design tokens & code

CSS
--color: #66f9bf;
/* rgb */ color: rgb(102, 249, 191);
/* oklch */ color: oklch(88.7% 0.151 164.1);
Tailwind
colors: {
  custom: {
    50: '#9efcd2',
    500: '#66f9bf',
    950: '#000000',
  },
}
SCSS
$custom: #66f9bf;
$custom-light: #9efcd2;
$custom-dark: #000000;
JSON
{
  "hex": "#66f9bf",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 191
  },
  "hsl": {
    "h": 156.327,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.88727,
    "c": 0.15136,
    "h": 164.1
  },
  "luminance": 0.74338
}

Semantic roles & 50–950 ramp

primary
#66F9BF
secondary
#D33070
accent
#005BE6
background
#FCFFFE
surface
#F6FFFB
border
#D0D7D4
text
#101714
muted
#808583

Preview Lab

Preview with #66F9BF

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

Preview Lab → · Contrast checker → · Palette generator →

#66F9BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva