#66AE2C#66AE2C

#66AE2C is a light, vivid yellow-green. Relative luminance 0.333; OKLCH L 67.8% C 0.175 H 134.5°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX#66AE2C
RGBrgb(102, 174, 44)
HSLhsl(93, 60%, 43%)
HSVhsv(93, 75%, 68%)
CMYKcmyk(41.4%, 0%, 74.7%, 31.8%)
CIE-LABlab(64.39, -43.88, 55.90)
CIE-LCHlch(64.39, 71.07, 128.13°)
OKLaboklab(67.83% -0.1229 0.1252)
OKLCHoklch(67.83% 0.175 134.5)
XYZxyz(21.0697, 33.2776, 7.6954)
Luminance0.3328 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66AE2C #742CAE
analogous
#A7AE2C #66AE2C #2CAE33
triadic
#66AE2C #2C66AE #AE2C66
tetradic
#66AE2C #2CA7AE #742CAE #AE332C
square
#66AE2C #2CA7AE #742CAE #AE332C
split-complementary
#66AE2C #332CAE #AE2CA7
monochromatic
#2D4C13 #497D20 #66AE2C #84D047 #A5DD78

Accessibility & contrast

On white

2.74
#66AE2C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.66
#66AE2C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AE2C
7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66AE2C#FFFFFF#000000##000000
##66AE2C1.002.747.667.66
#FFFFFF2.741.0021.0021.00
#0000007.6621.001.001.00
##0000007.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#B5A011
Deuteranopia (green-blind)
#AB9A39
Tritanopia (blue-blind)
#65A795
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #66ae2c;
/* rgb */ color: rgb(102, 174, 44);
/* oklch */ color: oklch(67.8% 0.175 134.5);
Tailwind
colors: {
  custom: {
    50: '#98c76e',
    500: '#66ae2c',
    950: '#000000',
  },
}
SCSS
$custom: #66ae2c;
$custom-light: #98c76e;
$custom-dark: #000000;
JSON
{
  "hex": "#66ae2c",
  "rgb": {
    "r": 102,
    "g": 174,
    "b": 44
  },
  "hsl": {
    "h": 93.231,
    "s": 59.633,
    "l": 42.745
  },
  "oklch": {
    "l": 0.67829,
    "c": 0.17543,
    "h": 134.5
  },
  "luminance": 0.33279
}

Semantic roles & 50–950 ramp

primary
#66AE2C
secondary
#9F71C5
accent
#45E39C
background
#F9FCF6
surface
#F2F8EC
border
#CCD1C7
text
#0E1308
muted
#7E827B

Preview Lab

Preview with #66AE2C

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

Preview Lab → · Contrast checker → · Palette generator →

#66AE2C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva