#66AE27#66AE27

#66AE27 is a light, vivid yellow-green. Relative luminance 0.332; OKLCH L 67.8% C 0.178 H 134.1°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX#66AE27
RGBrgb(102, 174, 39)
HSLhsl(92, 63%, 42%)
HSVhsv(92, 78%, 68%)
CMYKcmyk(41.4%, 0%, 77.6%, 31.8%)
CIE-LABlab(64.36, -44.18, 57.56)
CIE-LCHlch(64.36, 72.56, 127.51°)
OKLaboklab(67.8% -0.124 0.1279)
OKLCHoklch(67.8% 0.178 134.1)
XYZxyz(20.9814, 33.2423, 7.2299)
Luminance0.3324 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66AE27 #6F27AE
analogous
#AAAE27 #66AE27 #27AE2C
triadic
#66AE27 #2766AE #AE2766
tetradic
#66AE27 #27AAAE #6F27AE #AE2C27
square
#66AE27 #27AAAE #6F27AE #AE2C27
split-complementary
#66AE27 #2C27AE #AE27AA
monochromatic
#2B4A11 #497C1C #66AE27 #84D43E #A4DF70

Accessibility & contrast

On white

2.75
#66AE27 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.65
#66AE27 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AE27
7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66AE27#FFFFFF#000000##000000
##66AE271.002.757.657.65
#FFFFFF2.751.0021.0021.00
#0000007.6521.001.001.00
##0000007.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#B5A002
Deuteranopia (green-blind)
#AB9A36
Tritanopia (blue-blind)
#65A795
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #66ae27;
/* rgb */ color: rgb(102, 174, 39);
/* oklch */ color: oklch(67.8% 0.178 134.1);
Tailwind
colors: {
  custom: {
    50: '#98c76c',
    500: '#66ae27',
    950: '#000000',
  },
}
SCSS
$custom: #66ae27;
$custom-light: #98c76c;
$custom-dark: #000000;
JSON
{
  "hex": "#66ae27",
  "rgb": {
    "r": 102,
    "g": 174,
    "b": 39
  },
  "hsl": {
    "h": 92,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.67796,
    "c": 0.17818,
    "h": 134.1
  },
  "luminance": 0.33243
}

Semantic roles & 50–950 ramp

primary
#66AE27
secondary
#9B6BC6
accent
#41E699
background
#F9FCF6
surface
#F2F8EC
border
#CCD1C7
text
#0E1307
muted
#7E827A

Preview Lab

Preview with #66AE27

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

Preview Lab → · Contrast checker → · Palette generator →

#66AE27 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva