#669B4B#669B4B

#669B4B is a light, vivid yellow-green. Relative luminance 0.268; OKLCH L 63.3% C 0.125 H 136.1°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX#669B4B
RGBrgb(102, 155, 75)
HSLhsl(100, 35%, 45%)
HSVhsv(100, 52%, 61%)
CMYKcmyk(34.2%, 0%, 51.6%, 39.2%)
CIE-LABlab(58.77, -32.65, 36.18)
CIE-LCHlch(58.77, 48.74, 132.06°)
OKLaboklab(63.33% -0.0899 0.0867)
OKLCHoklch(63.33% 0.125 136.1)
XYZxyz(18.4704, 26.7747, 10.8501)
Luminance0.2677 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669B4B #804B9B
analogous
#8E9B4B #669B4B #4B9B58
triadic
#669B4B #4B669B #9B4B66
tetradic
#669B4B #4B8E9B #804B9B #9B584B
square
#669B4B #4B8E9B #804B9B #9B584B
split-complementary
#669B4B #584B9B #9B4B8E
monochromatic
#304923 #4B7237 #669B4B #85B86C #A7CC95

Accessibility & contrast

On white

3.30
#669B4B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.36
#669B4B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669B4B
6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669B4B#FFFFFF#000000##000000
##669B4B1.003.306.366.36
#FFFFFF3.301.0021.0021.00
#0000006.3621.001.001.00
##0000006.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#A09044
Deuteranopia (green-blind)
#988C50
Tritanopia (blue-blind)
#659689
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #669b4b;
/* rgb */ color: rgb(102, 155, 75);
/* oklch */ color: oklch(63.3% 0.125 136.1);
Tailwind
colors: {
  custom: {
    50: '#94b97f',
    500: '#669b4b',
    950: '#000000',
  },
}
SCSS
$custom: #669b4b;
$custom-light: #94b97f;
$custom-dark: #000000;
JSON
{
  "hex": "#669b4b",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 75
  },
  "hsl": {
    "h": 99.75,
    "s": 34.783,
    "l": 45.098
  },
  "oklch": {
    "l": 0.63333,
    "c": 0.12491,
    "h": 136.1
  },
  "luminance": 0.26775
}

Semantic roles & 50–950 ramp

primary
#669B4B
secondary
#A88AB8
accent
#5DCBA6
background
#F9FBF7
surface
#F2F6EE
border
#CCD0C9
text
#0D110A
muted
#7E807C

Preview Lab

Preview with #669B4B

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

Preview Lab → · Contrast checker → · Palette generator →

#669B4B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva