#666D4E#666D4E

#666D4E is a mid, muted yellow-green. Relative luminance 0.143; OKLCH L 52.0% C 0.047 H 118.4°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#666D4E
RGB	rgb(102, 109, 78)
HSL	hsl(74, 17%, 37%)
HSV	hsv(74, 28%, 43%)
CMYK	cmyk(6.4%, 0%, 28.4%, 57.3%)
CIE-LAB	lab(44.68, -8.48, 16.48)
CIE-LCH	lch(44.68, 18.53, 117.22°)
OKLab	oklab(52.01% -0.0224 0.0415)
OKLCH	oklch(52.01% 0.047 118.4)
XYZ	xyz(12.3232, 14.3122, 9.3196)
Luminance	0.1431 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666D4E #554E6D

analogous

#6D654E #666D4E #576D4E

triadic

#666D4E #4E666D #6D4E66

tetradic

#666D4E #4E6D65 #554E6D #6D4E57

square

#666D4E #4E6D65 #554E6D #6D4E57

split-complementary

#666D4E #4E576D #654E6D

monochromatic

#23261B #454934 #666D4E #879168 #A4AB8A

Accessibility & contrast

On white

5.44

#666D4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#666D4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666D4E

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666D4E	#FFFFFF	#000000	##FFFFFF
##666D4E	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#716A4C

Deuteranopia (green-blind)

#706A4F

Tritanopia (blue-blind)

#696A65

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #666d4e;
/* rgb */ color: rgb(102, 109, 78);
/* oklch */ color: oklch(52.0% 0.047 118.4);

Tailwind

colors: {
  custom: {
    50: '#92967f',
    500: '#666d4e',
    950: '#000000',
  },
}

SCSS

$custom: #666d4e;
$custom-light: #92967f;
$custom-dark: #000000;

JSON

{
  "hex": "#666d4e",
  "rgb": {
    "r": 102,
    "g": 109,
    "b": 78
  },
  "hsl": {
    "h": 73.548,
    "s": 16.578,
    "l": 36.667
  },
  "oklch": {
    "l": 0.52007,
    "c": 0.04719,
    "h": 118.4
  },
  "luminance": 0.14312
}

Semantic roles & 50–950 ramp

primary

#666D4E

secondary

#847E99

accent

#6FB97F

background

#F8F9F7

surface

#F0F2EE

border

#CBCCC9

text

#0D0D0A

muted

#7D7E7C

Preview Lab

Preview with #666D4E

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

Preview Lab → · Contrast checker → · Palette generator →