#66C734#66C734

#66C734 is a light, highly saturated yellow-green. Relative luminance 0.439; OKLCH L 74.2% C 0.201 H 137.3°. Best body text is #000000 at 9.78:1 contrast (WCAG AA passes).

Color values

HEX#66C734
RGBrgb(102, 199, 52)
HSLhsl(100, 59%, 49%)
HSVhsv(100, 74%, 78%)
CMYKcmyk(48.7%, 0%, 73.9%, 22%)
CIE-LABlab(72.17, -53.33, 60.81)
CIE-LCHlch(72.17, 80.88, 131.25°)
OKLaboklab(74.24% -0.1478 0.1366)
OKLCHoklch(74.24% 0.201 137.3)
XYZxyz(26.5219, 43.9177, 10.3276)
Luminance0.4392 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66C734 #9534C7
analogous
#B0C734 #66C734 #34C74C
triadic
#66C734 #3466C7 #C73466
tetradic
#66C734 #34B0C7 #9534C7 #C74C34
square
#66C734 #34B0C7 #9534C7 #C74C34
split-complementary
#66C734 #4C34C7 #C734B0
monochromatic
#34661B #4D9627 #66C734 #8AD662 #AEE393

Accessibility & contrast

On white

2.15
#66C734 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.78
#66C734 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C734
9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66C734#FFFFFF#000000##000000
##66C7341.002.159.789.78
#FFFFFF2.151.0021.0021.00
#0000009.7821.001.001.00
##0000009.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#CEB616
Deuteranopia (green-blind)
#C1AE43
Tritanopia (blue-blind)
#60C0AB
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #66c734;
/* rgb */ color: rgb(102, 199, 52);
/* oklch */ color: oklch(74.2% 0.201 137.3);
Tailwind
colors: {
  custom: {
    50: '#9ad975',
    500: '#66c734',
    950: '#000000',
  },
}
SCSS
$custom: #66c734;
$custom-light: #9ad975;
$custom-dark: #000000;
JSON
{
  "hex": "#66c734",
  "rgb": {
    "r": 102,
    "g": 199,
    "b": 52
  },
  "hsl": {
    "h": 99.592,
    "s": 58.566,
    "l": 49.216
  },
  "oklch": {
    "l": 0.74237,
    "c": 0.2013,
    "h": 137.3
  },
  "luminance": 0.4392
}

Semantic roles & 50–950 ramp

primary
#66C734
secondary
#B689CE
accent
#46E2AD
background
#FAFDF7
surface
#F3FAED
border
#CDD3C8
text
#0F1509
muted
#7F837B

Preview Lab

Preview with #66C734

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

Preview Lab → · Contrast checker → · Palette generator →

#66C734 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva