#666A4C#666A4C

#666A4C is a mid, muted yellow. Relative luminance 0.137; OKLCH L 51.2% C 0.045 H 114.2°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#666A4C
RGB	rgb(102, 106, 76)
HSL	hsl(68, 16%, 36%)
HSV	hsv(68, 28%, 42%)
CMYK	cmyk(3.8%, 0%, 28.3%, 58.4%)
CIE-LAB	lab(43.73, -7.07, 16.38)
CIE-LCH	lch(43.73, 17.84, 113.36°)
OKLab	oklab(51.24% -0.0185 0.0412)
OKLCH	oklch(51.24% 0.045 114.2)
XYZ	xyz(11.9380, 13.6548, 8.8428)
Luminance	0.1366 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666A4C #504C6A

analogous

#6A5F4C #666A4C #576A4C

triadic

#666A4C #4C666A #6A4C66

tetradic

#666A4C #4C6A5F #504C6A #6A4C57

square

#666A4C #4C6A5F #504C6A #6A4C57

split-complementary

#666A4C #4C576A #5F4C6A

monochromatic

#212319 #444632 #666A4C #888E66 #A5A987

Accessibility & contrast

On white

5.63

#666A4C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#666A4C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666A4C

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666A4C	#FFFFFF	#000000	##FFFFFF
##666A4C	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E674A

Deuteranopia (green-blind)

#6E684D

Tritanopia (blue-blind)

#6A6762

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #666a4c;
/* rgb */ color: rgb(102, 106, 76);
/* oklch */ color: oklch(51.2% 0.045 114.2);

Tailwind

colors: {
  custom: {
    50: '#92947e',
    500: '#666a4c',
    950: '#000000',
  },
}

SCSS

$custom: #666a4c;
$custom-light: #92947e;
$custom-dark: #000000;

JSON

{
  "hex": "#666a4c",
  "rgb": {
    "r": 102,
    "g": 106,
    "b": 76
  },
  "hsl": {
    "h": 68,
    "s": 16.484,
    "l": 35.686
  },
  "oklch": {
    "l": 0.51243,
    "c": 0.04521,
    "h": 114.2
  },
  "luminance": 0.13655
}

Semantic roles & 50–950 ramp

primary

#666A4C

secondary

#7F7B97

accent

#6FB979

background

#F9F9F7

surface

#F1F1EE

border

#CBCBC9

text

#0D0D0A

muted

#7E7E7C

Preview Lab

Preview with #666A4C

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

Preview Lab → · Contrast checker → · Palette generator →