#668B3D#668B3D

#668B3D is a mid, moderate yellow-green. Relative luminance 0.216; OKLCH L 59.1% C 0.115 H 130.3°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX#668B3D
RGBrgb(102, 139, 61)
HSLhsl(88, 39%, 39%)
HSVhsv(88, 56%, 55%)
CMYKcmyk(26.6%, 0%, 56.1%, 45.5%)
CIE-LABlab(53.63, -26.63, 37.10)
CIE-LCHlch(53.63, 45.67, 125.68°)
OKLaboklab(59.11% -0.0744 0.0876)
OKLCHoklch(59.11% 0.115 130.3)
XYZxyz(15.5543, 21.6266, 7.7688)
Luminance0.2163 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668B3D #623D8B
analogous
#8B893D #668B3D #3F8B3D
triadic
#668B3D #3D668B #8B3D66
tetradic
#668B3D #3D8B89 #623D8B #8B3D3F
square
#668B3D #3D8B89 #623D8B #8B3D3F
split-complementary
#668B3D #3D3F8B #893D8B
monochromatic
#283618 #47602A #668B3D #85B352 #A3C67D

Accessibility & contrast

On white

3.94
#668B3D on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.33
#668B3D on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668B3D
5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668B3D#FFFFFF#000000##000000
##668B3D1.003.945.335.33
#FFFFFF3.941.0021.0021.00
#0000005.3321.001.001.00
##0000005.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#918235
Deuteranopia (green-blind)
#8C7F42
Tritanopia (blue-blind)
#68867A
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #668b3d;
/* rgb */ color: rgb(102, 139, 61);
/* oklch */ color: oklch(59.1% 0.115 130.3);
Tailwind
colors: {
  custom: {
    50: '#94ad75',
    500: '#668b3d',
    950: '#000000',
  },
}
SCSS
$custom: #668b3d;
$custom-light: #94ad75;
$custom-dark: #000000;
JSON
{
  "hex": "#668b3d",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 61
  },
  "hsl": {
    "h": 88.462,
    "s": 39,
    "l": 39.216
  },
  "oklch": {
    "l": 0.5911,
    "c": 0.11487,
    "h": 130.3
  },
  "luminance": 0.21627
}

Semantic roles & 50–950 ramp

primary
#668B3D
secondary
#9074B0
accent
#59CF91
background
#F9FAF7
surface
#F2F4ED
border
#CCCEC8
text
#0D1008
muted
#7E7F7B

Preview Lab

Preview with #668B3D

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

Preview Lab → · Contrast checker → · Palette generator →

#668B3D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva