#668C4E#668C4E

#668C4E is a mid, moderate yellow-green. Relative luminance 0.221; OKLCH L 59.6% C 0.099 H 134.3°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX#668C4E
RGBrgb(102, 140, 78)
HSLhsl(97, 28%, 43%)
HSVhsv(97, 44%, 55%)
CMYKcmyk(27.1%, 0%, 44.3%, 45.1%)
CIE-LABlab(54.17, -25.03, 28.90)
CIE-LCHlch(54.17, 38.23, 130.89°)
OKLaboklab(59.62% -0.0687 0.0706)
OKLCHoklch(59.62% 0.099 134.3)
XYZxyz(16.2324, 22.1305, 10.6226)
Luminance0.2213 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668C4E #744E8C
analogous
#858C4E #668C4E #4E8C55
triadic
#668C4E #4E668C #8C4E66
tetradic
#668C4E #4E858C #744E8C #8C554E
square
#668C4E #4E858C #744E8C #8C554E
split-complementary
#668C4E #554E8C #8C4E85
monochromatic
#2D3D22 #496538 #668C4E #84AC6B #A5C292

Accessibility & contrast

On white

3.87
#668C4E on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.43
#668C4E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668C4E
5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668C4E#FFFFFF#000000##000000
##668C4E1.003.875.435.43
#FFFFFF3.871.0021.0021.00
#0000005.4321.001.001.00
##0000005.4321.001.001.00

Color blindness preview

Protanopia (red-blind)
#908449
Deuteranopia (green-blind)
#8B8052
Tritanopia (blue-blind)
#66887D
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #668c4e;
/* rgb */ color: rgb(102, 140, 78);
/* oklch */ color: oklch(59.6% 0.099 134.3);
Tailwind
colors: {
  custom: {
    50: '#93ae80',
    500: '#668c4e',
    950: '#000000',
  },
}
SCSS
$custom: #668c4e;
$custom-light: #93ae80;
$custom-dark: #000000;
JSON
{
  "hex": "#668c4e",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 78
  },
  "hsl": {
    "h": 96.774,
    "s": 28.44,
    "l": 42.745
  },
  "oklch": {
    "l": 0.59618,
    "c": 0.0985,
    "h": 134.3
  },
  "luminance": 0.22131
}

Semantic roles & 50–950 ramp

primary
#668C4E
secondary
#9F87AF
accent
#63C59F
background
#F9FAF7
surface
#F1F4EE
border
#CBCEC9
text
#0D100A
muted
#7E7F7C

Preview Lab

Preview with #668C4E

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

Preview Lab → · Contrast checker → · Palette generator →

#668C4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva