#669D1D#669D1D

#669D1D is a light, vivid yellow-green. Relative luminance 0.270; OKLCH L 63.4% C 0.162 H 131.0°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX#669D1D
RGBrgb(102, 157, 29)
HSLhsl(86, 69%, 36%)
HSVhsv(86, 82%, 62%)
CMYKcmyk(35%, 0%, 81.5%, 38.4%)
CIE-LABlab(59.00, -37.43, 55.63)
CIE-LCHlch(59.00, 67.05, 123.93°)
OKLaboklab(63.4% -0.1065 0.1223)
OKLCHoklch(63.4% 0.162 131)
XYZxyz(17.7581, 27.0268, 5.4432)
Luminance0.2703 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669D1D #541D9D
analogous
#9D941D #669D1D #269D1D
triadic
#669D1D #1D669D #9D1D66
tetradic
#669D1D #1D9D94 #541D9D #9D1D26
square
#669D1D #1D9D94 #541D9D #9D1D26
split-complementary
#669D1D #1D269D #941D9D
monochromatic
#23360A #446913 #669D1D #88D127 #A4E055

Accessibility & contrast

On white

3.28
#669D1D on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.41
#669D1D on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669D1D
6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669D1D#FFFFFF#000000##000000
##669D1D1.003.286.416.41
#FFFFFF3.281.0021.0021.00
#0000006.4121.001.001.00
##0000006.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#A49100
Deuteranopia (green-blind)
#9D8D2C
Tritanopia (blue-blind)
#689686
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #669d1d;
/* rgb */ color: rgb(102, 157, 29);
/* oklch */ color: oklch(63.4% 0.162 131.0);
Tailwind
colors: {
  custom: {
    50: '#97ba65',
    500: '#669d1d',
    950: '#000000',
  },
}
SCSS
$custom: #669d1d;
$custom-light: #97ba65;
$custom-dark: #000000;
JSON
{
  "hex": "#669d1d",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 29
  },
  "hsl": {
    "h": 85.781,
    "s": 68.817,
    "l": 36.471
  },
  "oklch": {
    "l": 0.63399,
    "c": 0.16219,
    "h": 131
  },
  "luminance": 0.27027
}

Semantic roles & 50–950 ramp

primary
#669D1D
secondary
#8353C3
accent
#3CEC88
background
#F9FBF6
surface
#F2F6EB
border
#CCD0C6
text
#0E1106
muted
#7E807A

Preview Lab

Preview with #669D1D

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

Preview Lab → · Contrast checker → · Palette generator →

#669D1D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva