#66AC29#66AC29

#66AC29 is a light, vivid yellow-green. Relative luminance 0.325; OKLCH L 67.3% C 0.175 H 134.0°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX#66AC29
RGBrgb(102, 172, 41)
HSLhsl(92, 62%, 42%)
HSVhsv(92, 76%, 67%)
CMYKcmyk(40.7%, 0%, 76.2%, 32.5%)
CIE-LABlab(63.74, -43.23, 56.31)
CIE-LCHlch(63.74, 70.99, 127.52°)
OKLaboklab(67.3% -0.1213 0.1256)
OKLCHoklch(67.3% 0.175 134)
XYZxyz(20.6319, 32.4889, 7.2813)
Luminance0.3249 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66AC29 #6F29AC
analogous
#A8AC29 #66AC29 #29AC2E
triadic
#66AC29 #2966AC #AC2966
tetradic
#66AC29 #29A8AC #6F29AC #AC2E29
square
#66AC29 #29A8AC #6F29AC #AC2E29
split-complementary
#66AC29 #2E29AC #AC29A8
monochromatic
#2B4911 #497B1D #66AC29 #84D241 #A4DD72

Accessibility & contrast

On white

2.80
#66AC29 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.50
#66AC29 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AC29
7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66AC29#FFFFFF#000000##000000
##66AC291.002.807.507.50
#FFFFFF2.801.0021.0021.00
#0000007.5021.001.001.00
##0000007.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#B39E0A
Deuteranopia (green-blind)
#A99837
Tritanopia (blue-blind)
#65A593
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #66ac29;
/* rgb */ color: rgb(102, 172, 41);
/* oklch */ color: oklch(67.3% 0.175 134.0);
Tailwind
colors: {
  custom: {
    50: '#98c56d',
    500: '#66ac29',
    950: '#000000',
  },
}
SCSS
$custom: #66ac29;
$custom-light: #98c56d;
$custom-dark: #000000;
JSON
{
  "hex": "#66ac29",
  "rgb": {
    "r": 102,
    "g": 172,
    "b": 41
  },
  "hsl": {
    "h": 92.061,
    "s": 61.502,
    "l": 41.765
  },
  "oklch": {
    "l": 0.67299,
    "c": 0.17465,
    "h": 134
  },
  "luminance": 0.3249
}

Semantic roles & 50–950 ramp

primary
#66AC29
secondary
#9B6CC5
accent
#43E599
background
#F9FCF6
surface
#F2F8EC
border
#CCD1C7
text
#0E1307
muted
#7E827A

Preview Lab

Preview with #66AC29

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

Preview Lab → · Contrast checker → · Palette generator →

#66AC29 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva