#66A629#66A629

#66A629 is a light, vivid yellow-green. Relative luminance 0.303; OKLCH L 65.8% C 0.167 H 133.2°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX#66A629
RGBrgb(102, 166, 41)
HSLhsl(91, 60%, 41%)
HSVhsv(91, 75%, 65%)
CMYKcmyk(38.6%, 0%, 75.3%, 34.9%)
CIE-LABlab(61.87, -40.69, 54.49)
CIE-LCHlch(61.87, 68.01, 126.75°)
OKLaboklab(65.77% -0.1145 0.1218)
OKLCHoklch(65.77% 0.167 133.2)
XYZxyz(19.5156, 30.2564, 6.9092)
Luminance0.3026 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66A629 #6929A6
analogous
#A4A629 #66A629 #29A62B
triadic
#66A629 #2966A6 #A62966
tetradic
#66A629 #29A4A6 #6929A6 #A62B29
square
#66A629 #29A4A6 #6929A6 #A62B29
split-complementary
#66A629 #2B29A6 #A629A4
monochromatic
#2A4411 #48751D #66A629 #84CF3D #A3DB6E

Accessibility & contrast

On white

2.98
#66A629 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.05
#66A629 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A629
7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66A629#FFFFFF#000000##000000
##66A6291.002.987.057.05
#FFFFFF2.981.0021.0021.00
#0000007.0521.001.001.00
##0000007.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#AD990E
Deuteranopia (green-blind)
#A49436
Tritanopia (blue-blind)
#669F8E
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #66a629;
/* rgb */ color: rgb(102, 166, 41);
/* oklch */ color: oklch(65.8% 0.167 133.2);
Tailwind
colors: {
  custom: {
    50: '#97c16c',
    500: '#66a629',
    950: '#000000',
  },
}
SCSS
$custom: #66a629;
$custom-light: #97c16c;
$custom-dark: #000000;
JSON
{
  "hex": "#66a629",
  "rgb": {
    "r": 102,
    "g": 166,
    "b": 41
  },
  "hsl": {
    "h": 90.72,
    "s": 60.386,
    "l": 40.588
  },
  "oklch": {
    "l": 0.65768,
    "c": 0.16716,
    "h": 133.2
  },
  "luminance": 0.30257
}

Semantic roles & 50–950 ramp

primary
#66A629
secondary
#9669C2
accent
#44E496
background
#F9FBF6
surface
#F2F7EC
border
#CCD0C7
text
#0E1207
muted
#7E817A

Preview Lab

Preview with #66A629

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

Preview Lab → · Contrast checker → · Palette generator →

#66A629 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva