#66B027#66B027

#66B027 is a light, vivid yellow-green. Relative luminance 0.340; OKLCH L 68.3% C 0.181 H 134.3°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX#66B027
RGBrgb(102, 176, 39)
HSLhsl(92, 64%, 42%)
HSVhsv(92, 78%, 69%)
CMYKcmyk(42%, 0%, 77.8%, 31%)
CIE-LABlab(64.98, -45.01, 58.15)
CIE-LCHlch(64.98, 73.53, 127.74°)
OKLaboklab(68.31% -0.1263 0.1292)
OKLCHoklch(68.31% 0.181 134.3)
XYZxyz(21.3706, 34.0208, 7.3597)
Luminance0.3402 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66B027 #7127B0
analogous
#ABB027 #66B027 #27B02D
triadic
#66B027 #2766B0 #B02766
tetradic
#66B027 #27ABB0 #7127B0 #B02D27
square
#66B027 #27ABB0 #7127B0 #B02D27
split-complementary
#66B027 #2D27B0 #B027AB
monochromatic
#2C4C11 #497E1C #66B027 #84D540 #A4E072

Accessibility & contrast

On white

2.69
#66B027 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.80
#66B027 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B027
7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66B027#FFFFFF#000000##000000
##66B0271.002.697.807.80
#FFFFFF2.691.0021.0021.00
#0000007.8021.001.001.00
##0000007.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#B7A100
Deuteranopia (green-blind)
#AD9C36
Tritanopia (blue-blind)
#65A996
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #66b027;
/* rgb */ color: rgb(102, 176, 39);
/* oklch */ color: oklch(68.3% 0.181 134.3);
Tailwind
colors: {
  custom: {
    50: '#98c86c',
    500: '#66b027',
    950: '#000000',
  },
}
SCSS
$custom: #66b027;
$custom-light: #98c86c;
$custom-dark: #000000;
JSON
{
  "hex": "#66b027",
  "rgb": {
    "r": 102,
    "g": 176,
    "b": 39
  },
  "hsl": {
    "h": 92.409,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.68306,
    "c": 0.18062,
    "h": 134.3
  },
  "luminance": 0.34022
}

Semantic roles & 50–950 ramp

primary
#66B027
secondary
#9D6CC7
accent
#41E79B
background
#F9FCF6
surface
#F2F8EC
border
#CCD1C7
text
#0E1307
muted
#7E827A

Preview Lab

Preview with #66B027

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

Preview Lab → · Contrast checker → · Palette generator →

#66B027 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva