#668D3F#668D3F

#668D3F is a mid, moderate yellow-green. Relative luminance 0.222; OKLCH L 59.6% C 0.116 H 131.2°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#668D3F
RGB	rgb(102, 141, 63)
HSL	hsl(90, 38%, 40%)
HSV	hsv(90, 55%, 55%)
CMYK	cmyk(27.7%, 0%, 55.3%, 44.7%)
CIE-LAB	lab(54.27, -27.39, 36.86)
CIE-LCH	lch(54.27, 45.92, 126.62°)
OKLab	oklab(59.64% -0.0763 0.0872)
OKLCH	oklch(59.64% 0.116 131.2)
XYZ	xyz(15.9014, 22.2330, 8.1553)
Luminance	0.2223 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668D3F #663F8D

analogous

#8D8D3F #668D3F #3F8D3F

triadic

#668D3F #3F668D #8D3F66

tetradic

#668D3F #3F8D8D #663F8D #8D3F3F

square

#668D3F #3F8D8D #663F8D #8D3F3F

split-complementary

#668D3F #3F3F8D #8D3F8D

monochromatic

#293819 #47632C #668D3F #85B356 #A3C680

Accessibility & contrast

On white

3.86

#668D3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#668D3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668D3F

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668D3F	#FFFFFF	#000000	##000000
##668D3F	1.00	3.86	5.45	5.45
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938438

Deuteranopia (green-blind)

#8D8144

Tritanopia (blue-blind)

#68887C

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #668d3f;
/* rgb */ color: rgb(102, 141, 63);
/* oklch */ color: oklch(59.6% 0.116 131.2);

Tailwind

colors: {
  custom: {
    50: '#94ae76',
    500: '#668d3f',
    950: '#000000',
  },
}

SCSS

$custom: #668d3f;
$custom-light: #94ae76;
$custom-dark: #000000;

JSON

{
  "hex": "#668d3f",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 63
  },
  "hsl": {
    "h": 90,
    "s": 38.235,
    "l": 40
  },
  "oklch": {
    "l": 0.5964,
    "c": 0.11588,
    "h": 131.2
  },
  "luminance": 0.22233
}

Semantic roles & 50–950 ramp

primary

#668D3F

secondary

#9477B1

accent

#5ACE94

background

#F9FAF7

surface

#F2F4ED

border

#CCCEC8

text

#0D1009

muted

#7E7F7B

Preview Lab

Preview with #668D3F

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

Preview Lab → · Contrast checker → · Palette generator →