#66F59E#66F59E

#66F59E is a very light, vivid green. Relative luminance 0.706; OKLCH L 87.1% C 0.174 H 153.8°. Best body text is #000000 at 15.12:1 contrast (WCAG AA passes).

Color values

HEX#66F59E
RGBrgb(102, 245, 158)
HSLhsl(143, 88%, 68%)
HSVhsv(143, 58%, 96%)
CMYKcmyk(58.4%, 0%, 35.5%, 3.9%)
CIE-LABlab(87.29, -57.54, 30.63)
CIE-LCHlch(87.29, 65.18, 151.97°)
OKLaboklab(87.06% -0.156 0.0768)
OKLCHoklch(87.06% 0.174 153.8)
XYZxyz(44.2999, 70.5940, 43.6326)
Luminance0.7060 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F59E #F566BD
analogous
#75F566 #66F59E #66F5E6
triadic
#66F59E #9E66F5 #F59E66
tetradic
#66F59E #6675F5 #F566BD #F5E666
square
#66F59E #6675F5 #F566BD #F5E666
split-complementary
#66F59E #E666F5 #F56675
monochromatic
#0ED35B #2DF17A #66F59E #9FF9C2 #D9FDE7

Accessibility & contrast

On white

1.39
#66F59E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.12
#66F59E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F59E
15.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F59E#FFFFFF#000000##000000
##66F59E1.001.3915.1215.12
#FFFFFF1.391.0021.0021.00
#00000015.1221.001.001.00
##00000015.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#F5E398
Deuteranopia (green-blind)
#E1D5A4
Tritanopia (blue-blind)
#35F2DF
Achromatopsia (no color)
#DBDBDB

Design tokens & code

CSS
--color: #66f59e;
/* rgb */ color: rgb(102, 245, 158);
/* oklch */ color: oklch(87.1% 0.174 153.8);
Tailwind
colors: {
  custom: {
    50: '#9df9bb',
    500: '#66f59e',
    950: '#000000',
  },
}
SCSS
$custom: #66f59e;
$custom-light: #9df9bb;
$custom-dark: #000000;
JSON
{
  "hex": "#66f59e",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 158
  },
  "hsl": {
    "h": 143.497,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.87056,
    "c": 0.17392,
    "h": 153.8
  },
  "luminance": 0.70598
}

Semantic roles & 50–950 ramp

primary
#66F59E
secondary
#CE3191
accent
#018BE4
background
#FCFFFD
surface
#F6FFF8
border
#D0D7D1
text
#0F1712
muted
#808582

Preview Lab

Preview with #66F59E

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

Preview Lab → · Contrast checker → · Palette generator →

#66F59E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva