#66F257#66F257

#66F257 is a very light, highly saturated green. Relative luminance 0.670; OKLCH L 85.3% C 0.230 H 141.7°. Best body text is #000000 at 14.40:1 contrast (WCAG AA passes).

Color values

HEX#66F257
RGBrgb(102, 242, 87)
HSLhsl(114, 86%, 65%)
HSVhsv(114, 64%, 95%)
CMYKcmyk(57.9%, 0%, 64%, 5.1%)
CIE-LABlab(85.51, -66.16, 61.52)
CIE-LCHlch(85.51, 90.35, 137.08°)
OKLaboklab(85.31% -0.1805 0.1424)
OKLCHoklch(85.31% 0.23 141.7)
XYZxyz(38.9500, 67.0136, 19.8973)
Luminance0.6702 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F257 #E357F2
analogous
#B3F257 #66F257 #57F296
triadic
#66F257 #5766F2 #F25766
tetradic
#66F257 #57B3F2 #E357F2 #F29657
square
#66F257 #57B3F2 #E357F2 #F29657
split-complementary
#66F257 #9657F2 #F257B3
monochromatic
#20C00F #32EE1E #66F257 #9AF690 #CDFBC9

Accessibility & contrast

On white

1.46
#66F257 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.40
#66F257 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F257
14.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F257#FFFFFF#000000##000000
##66F2571.001.4614.4014.40
#FFFFFF1.461.0021.0021.00
#00000014.4021.001.001.00
##00000014.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#F8DD44
Deuteranopia (green-blind)
#E6D165
Tritanopia (blue-blind)
#51EBD2
Achromatopsia (no color)
#D6D6D6

Design tokens & code

CSS
--color: #66f257;
/* rgb */ color: rgb(102, 242, 87);
/* oklch */ color: oklch(85.3% 0.230 141.7);
Tailwind
colors: {
  custom: {
    50: '#9ff78c',
    500: '#66f257',
    950: '#000000',
  },
}
SCSS
$custom: #66f257;
$custom-light: #9ff78c;
$custom-dark: #000000;
JSON
{
  "hex": "#66f257",
  "rgb": {
    "r": 102,
    "g": 242,
    "b": 87
  },
  "hsl": {
    "h": 114.194,
    "s": 85.635,
    "l": 64.51
  },
  "oklch": {
    "l": 0.85307,
    "c": 0.22987,
    "h": 141.7
  },
  "luminance": 0.67017
}

Semantic roles & 50–950 ramp

primary
#66F257
secondary
#B030BE
accent
#03E2CD
background
#FDFFFC
surface
#F7FFF4
border
#D0D7CE
text
#10170D
muted
#81857F

Preview Lab

Preview with #66F257

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

Preview Lab → · Contrast checker → · Palette generator →

#66F257 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva