#66F59B#66F59B

#66F59B is a very light, vivid green. Relative luminance 0.705; OKLCH L 87.0% C 0.177 H 153.0°. Best body text is #000000 at 15.10:1 contrast (WCAG AA passes).

Color values

HEX#66F59B
RGBrgb(102, 245, 155)
HSLhsl(142, 88%, 68%)
HSVhsv(142, 58%, 96%)
CMYKcmyk(58.4%, 0%, 36.7%, 3.9%)
CIE-LABlab(87.24, -58.07, 32.07)
CIE-LCHlch(87.24, 66.34, 151.09°)
OKLaboklab(87% -0.1574 0.0802)
OKLCHoklch(87% 0.177 153)
XYZxyz(44.0448, 70.4919, 42.2892)
Luminance0.7050 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F59B #F566C0
analogous
#78F566 #66F59B #66F5E3
triadic
#66F59B #9B66F5 #F59B66
tetradic
#66F59B #6678F5 #F566C0 #F5E366
square
#66F59B #6678F5 #F566C0 #F5E366
split-complementary
#66F59B #E366F5 #F56678
monochromatic
#0ED357 #2DF175 #66F59B #9FF9C1 #D9FDE6

Accessibility & contrast

On white

1.39
#66F59B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.10
#66F59B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F59B
15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F59B#FFFFFF#000000##000000
##66F59B1.001.3915.1015.10
#FFFFFF1.391.0021.0021.00
#00000015.1021.001.001.00
##00000015.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#F5E395
Deuteranopia (green-blind)
#E2D5A1
Tritanopia (blue-blind)
#37F2DE
Achromatopsia (no color)
#DBDBDB

Design tokens & code

CSS
--color: #66f59b;
/* rgb */ color: rgb(102, 245, 155);
/* oklch */ color: oklch(87.0% 0.177 153.0);
Tailwind
colors: {
  custom: {
    50: '#9df9b9',
    500: '#66f59b',
    950: '#000000',
  },
}
SCSS
$custom: #66f59b;
$custom-light: #9df9b9;
$custom-dark: #000000;
JSON
{
  "hex": "#66f59b",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 155
  },
  "hsl": {
    "h": 142.238,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.86998,
    "c": 0.17661,
    "h": 153
  },
  "luminance": 0.70496
}

Semantic roles & 50–950 ramp

primary
#66F59B
secondary
#CE3194
accent
#0190E4
background
#FCFFFD
surface
#F6FFF8
border
#D0D7D1
text
#0F1711
muted
#808581

Preview Lab

Preview with #66F59B

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

Preview Lab → · Contrast checker → · Palette generator →

#66F59B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva