#66AA29#66AA29

#66AA29 is a light, vivid yellow-green. Relative luminance 0.317; OKLCH L 66.8% C 0.172 H 133.8°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX#66AA29
RGBrgb(102, 170, 41)
HSLhsl(92, 61%, 41%)
HSVhsv(92, 76%, 67%)
CMYKcmyk(40%, 0%, 75.9%, 33.3%)
CIE-LABlab(63.12, -42.39, 55.71)
CIE-LCHlch(63.12, 70.00, 127.27°)
OKLaboklab(66.79% -0.1191 0.1244)
OKLCHoklch(66.79% 0.172 133.8)
XYZxyz(20.2541, 31.7333, 7.1553)
Luminance0.3173 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66AA29 #6D29AA
analogous
#A7AA29 #66AA29 #29AA2D
triadic
#66AA29 #2966AA #AA2966
tetradic
#66AA29 #29A7AA #6D29AA #AA2D29
square
#66AA29 #29A7AA #6D29AA #AA2D29
split-complementary
#66AA29 #2D29AA #AA29A7
monochromatic
#2B4711 #48791D #66AA29 #84D13F #A4DD71

Accessibility & contrast

On white

2.86
#66AA29 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.35
#66AA29 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AA29
7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66AA29#FFFFFF#000000##000000
##66AA291.002.867.357.35
#FFFFFF2.861.0021.0021.00
#0000007.3521.001.001.00
##0000007.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#B19C0B
Deuteranopia (green-blind)
#A89736
Tritanopia (blue-blind)
#66A391
Achromatopsia (no color)
#999999

Design tokens & code

CSS
--color: #66aa29;
/* rgb */ color: rgb(102, 170, 41);
/* oklch */ color: oklch(66.8% 0.172 133.8);
Tailwind
colors: {
  custom: {
    50: '#97c46c',
    500: '#66aa29',
    950: '#000000',
  },
}
SCSS
$custom: #66aa29;
$custom-light: #97c46c;
$custom-dark: #000000;
JSON
{
  "hex": "#66aa29",
  "rgb": {
    "r": 102,
    "g": 170,
    "b": 41
  },
  "hsl": {
    "h": 91.628,
    "s": 61.137,
    "l": 41.373
  },
  "oklch": {
    "l": 0.66789,
    "c": 0.17216,
    "h": 133.8
  },
  "luminance": 0.31734
}

Semantic roles & 50–950 ramp

primary
#66AA29
secondary
#9A6BC4
accent
#44E498
background
#F9FCF6
surface
#F2F8EC
border
#CCD1C7
text
#0E1207
muted
#7E817A

Preview Lab

Preview with #66AA29

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

Preview Lab → · Contrast checker → · Palette generator →

#66AA29 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva