#66F259#66F259

#66F259 is a very light, highly saturated green. Relative luminance 0.670; OKLCH L 85.3% C 0.228 H 141.9°. Best body text is #000000 at 14.41:1 contrast (WCAG AA passes).

Color values

HEX#66F259
RGBrgb(102, 242, 89)
HSLhsl(115, 85%, 65%)
HSVhsv(115, 63%, 95%)
CMYKcmyk(57.9%, 0%, 63.2%, 5.1%)
CIE-LABlab(85.53, -65.97, 60.73)
CIE-LCHlch(85.53, 89.67, 137.37°)
OKLaboklab(85.33% -0.1799 0.1409)
OKLCHoklch(85.33% 0.228 141.9)
XYZxyz(39.0328, 67.0468, 20.3336)
Luminance0.6705 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F259 #E559F2
analogous
#B3F259 #66F259 #59F299
triadic
#66F259 #5966F2 #F25966
tetradic
#66F259 #59B3F2 #E559F2 #F29959
square
#66F259 #59B3F2 #E559F2 #F29959
split-complementary
#66F259 #9959F2 #F259B3
monochromatic
#1EC10F #32EE20 #66F259 #9AF692 #CFFBCB

Accessibility & contrast

On white

1.46
#66F259 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.41
#66F259 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F259
14.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F259#FFFFFF#000000##000000
##66F2591.001.4614.4114.41
#FFFFFF1.461.0021.0021.00
#00000014.4121.001.001.00
##00000014.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#F7DD46
Deuteranopia (green-blind)
#E6D166
Tritanopia (blue-blind)
#50EBD2
Achromatopsia (no color)
#D6D6D6

Design tokens & code

CSS
--color: #66f259;
/* rgb */ color: rgb(102, 242, 89);
/* oklch */ color: oklch(85.3% 0.228 141.9);
Tailwind
colors: {
  custom: {
    50: '#9ff78e',
    500: '#66f259',
    950: '#000000',
  },
}
SCSS
$custom: #66f259;
$custom-light: #9ff78e;
$custom-dark: #000000;
JSON
{
  "hex": "#66f259",
  "rgb": {
    "r": 102,
    "g": 242,
    "b": 89
  },
  "hsl": {
    "h": 114.902,
    "s": 85.475,
    "l": 64.902
  },
  "oklch": {
    "l": 0.85326,
    "c": 0.22847,
    "h": 141.9
  },
  "luminance": 0.6705
}

Semantic roles & 50–950 ramp

primary
#66F259
secondary
#B330BF
accent
#04E2CF
background
#FDFFFC
surface
#F7FFF4
border
#D0D7CE
text
#10170D
muted
#81857F

Preview Lab

Preview with #66F259

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

Preview Lab → · Contrast checker → · Palette generator →

#66F259 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva