#669B3C#669B3C

#669B3C is a light, vivid yellow-green. Relative luminance 0.266; OKLCH L 63.1% C 0.139 H 133.5°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX#669B3C
RGBrgb(102, 155, 60)
HSLhsl(93, 44%, 42%)
HSVhsv(93, 61%, 61%)
CMYKcmyk(34.2%, 0%, 61.3%, 39.2%)
CIE-LABlab(58.60, -34.32, 43.28)
CIE-LCHlch(58.60, 55.23, 128.41°)
OKLaboklab(63.14% -0.0956 0.1007)
OKLCHoklch(63.14% 0.139 133.5)
XYZxyz(18.0161, 26.5930, 8.4578)
Luminance0.2659 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669B3C #713C9B
analogous
#959B3C #669B3C #3C9B42
triadic
#669B3C #3C669B #9B3C66
tetradic
#669B3C #3C959B #713C9B #9B423C
square
#669B3C #3C959B #713C9B #9B423C
split-complementary
#669B3C #423C9B #9B3C95
monochromatic
#2C431A #496F2B #669B3C #84BE56 #A4CF83

Accessibility & contrast

On white

3.32
#669B3C on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.32
#669B3C on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669B3C
6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669B3C#FFFFFF#000000##000000
##669B3C1.003.326.326.32
#FFFFFF3.321.0021.0021.00
#0000006.3221.001.001.00
##0000006.3221.001.001.00

Color blindness preview

Protanopia (red-blind)
#A19031
Deuteranopia (green-blind)
#998B43
Tritanopia (blue-blind)
#669587
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #669b3c;
/* rgb */ color: rgb(102, 155, 60);
/* oklch */ color: oklch(63.1% 0.139 133.5);
Tailwind
colors: {
  custom: {
    50: '#95b975',
    500: '#669b3c',
    950: '#000000',
  },
}
SCSS
$custom: #669b3c;
$custom-light: #95b975;
$custom-dark: #000000;
JSON
{
  "hex": "#669b3c",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 60
  },
  "hsl": {
    "h": 93.474,
    "s": 44.186,
    "l": 42.157
  },
  "oklch": {
    "l": 0.63141,
    "c": 0.13889,
    "h": 133.5
  },
  "luminance": 0.26594
}

Semantic roles & 50–950 ramp

primary
#669B3C
secondary
#9D7AB9
accent
#54D49B
background
#F9FBF7
surface
#F2F6ED
border
#CCD0C8
text
#0E1109
muted
#7E807B

Preview Lab

Preview with #669B3C

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

Preview Lab → · Contrast checker → · Palette generator →

#669B3C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva