#66B52C#66B52C

#66B52C is a light, vivid yellow-green. Relative luminance 0.361; OKLCH L 69.6% C 0.184 H 135.2°. Best body text is #000000 at 8.21:1 contrast (WCAG AA passes).

Color values

HEX#66B52C
RGBrgb(102, 181, 44)
HSLhsl(95, 61%, 44%)
HSVhsv(95, 76%, 71%)
CMYKcmyk(43.6%, 0%, 75.7%, 29%)
CIE-LABlab(66.56, -46.76, 58.03)
CIE-LCHlch(66.56, 74.52, 128.86°)
OKLaboklab(69.61% -0.1306 0.1297)
OKLCHoklch(69.61% 0.184 135.2)
XYZxyz(22.4575, 36.0531, 8.1580)
Luminance0.3605 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66B52C #7B2CB5
analogous
#ABB52C #66B52C #2CB537
triadic
#66B52C #2C66B5 #B52C66
tetradic
#66B52C #2CABB5 #7B2CB5 #B5372C
square
#66B52C #2CABB5 #7B2CB5 #B5372C
split-complementary
#66B52C #372CB5 #B52CAB
monochromatic
#2F5314 #4A8420 #66B52C #85D34B #A6DF7C

Accessibility & contrast

On white

2.56
#66B52C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.21
#66B52C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B52C
8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66B52C#FFFFFF#000000##000000
##66B52C1.002.568.218.21
#FFFFFF2.561.0021.0021.00
#0000008.2121.001.001.00
##0000008.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#BCA60C
Deuteranopia (green-blind)
#B1A03A
Tritanopia (blue-blind)
#64AE9B
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #66b52c;
/* rgb */ color: rgb(102, 181, 44);
/* oklch */ color: oklch(69.6% 0.184 135.2);
Tailwind
colors: {
  custom: {
    50: '#98cc6f',
    500: '#66b52c',
    950: '#000000',
  },
}
SCSS
$custom: #66b52c;
$custom-light: #98cc6f;
$custom-dark: #000000;
JSON
{
  "hex": "#66b52c",
  "rgb": {
    "r": 102,
    "g": 181,
    "b": 44
  },
  "hsl": {
    "h": 94.599,
    "s": 60.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.69611,
    "c": 0.18406,
    "h": 135.2
  },
  "luminance": 0.36054
}

Semantic roles & 50–950 ramp

primary
#66B52C
secondary
#A575C8
accent
#44E4A0
background
#F9FCF7
surface
#F2F9ED
border
#CCD2C8
text
#0E1308
muted
#7E827B

Preview Lab

Preview with #66B52C

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

Preview Lab → · Contrast checker → · Palette generator →

#66B52C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva