#66B727#66B727

#66B727 is a light, vivid yellow-green. Relative luminance 0.368; OKLCH L 70.1% C 0.189 H 135.1°. Best body text is #000000 at 8.37:1 contrast (WCAG AA passes).

Color values

HEX#66B727
RGBrgb(102, 183, 39)
HSLhsl(94, 65%, 44%)
HSVhsv(94, 79%, 72%)
CMYKcmyk(44.3%, 0%, 78.7%, 28.2%)
CIE-LABlab(67.15, -47.85, 60.20)
CIE-LCHlch(67.15, 76.90, 128.48°)
OKLaboklab(70.09% -0.1339 0.1335)
OKLCHoklch(70.09% 0.189 135.1)
XYZxyz(22.7787, 36.8369, 7.8290)
Luminance0.3684 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66B727 #7827B7
analogous
#AEB727 #66B727 #27B730
triadic
#66B727 #2766B7 #B72766
tetradic
#66B727 #27AEB7 #7827B7 #B73027
square
#66B727 #27AEB7 #7827B7 #B73027
split-complementary
#66B727 #3027B7 #B727AE
monochromatic
#2E5211 #4A851C #66B727 #84D744 #A5E276

Accessibility & contrast

On white

2.51
#66B727 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.37
#66B727 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B727
8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66B727#FFFFFF#000000##000000
##66B7271.002.518.378.37
#FFFFFF2.511.0021.0021.00
#0000008.3721.001.001.00
##0000008.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#BEA800
Deuteranopia (green-blind)
#B3A137
Tritanopia (blue-blind)
#64B09C
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #66b727;
/* rgb */ color: rgb(102, 183, 39);
/* oklch */ color: oklch(70.1% 0.189 135.1);
Tailwind
colors: {
  custom: {
    50: '#99cd6d',
    500: '#66b727',
    950: '#000000',
  },
}
SCSS
$custom: #66b727;
$custom-light: #99cd6d;
$custom-dark: #000000;
JSON
{
  "hex": "#66b727",
  "rgb": {
    "r": 102,
    "g": 183,
    "b": 39
  },
  "hsl": {
    "h": 93.75,
    "s": 64.865,
    "l": 43.529
  },
  "oklch": {
    "l": 0.7009,
    "c": 0.18905,
    "h": 135.1
  },
  "luminance": 0.36838
}

Semantic roles & 50–950 ramp

primary
#66B727
secondary
#A270C9
accent
#40E89E
background
#F9FCF6
surface
#F2F9EC
border
#CCD2C7
text
#0F1308
muted
#7E827B

Preview Lab

Preview with #66B727

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

Preview Lab → · Contrast checker → · Palette generator →

#66B727 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva