#66664E#66664E

#66664E is a mid, muted yellow. Relative luminance 0.129; OKLCH L 50.3% C 0.036 H 107.6°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#66664E
RGB	rgb(102, 102, 78)
HSL	hsl(60, 13%, 35%)
HSV	hsv(60, 24%, 40%)
CMYK	cmyk(0%, 0%, 23.5%, 60%)
CIE-LAB	lab(42.58, -4.44, 13.62)
CIE-LCH	lch(42.58, 14.32, 108.04°)
OKLab	oklab(50.34% -0.011 0.0346)
OKLCH	oklch(50.34% 0.036 107.6)
XYZ	xyz(11.6060, 12.8777, 9.0805)
Luminance	0.1288 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66664E #4E4E66

analogous

#665A4E #66664E #5A664E

triadic

#66664E #4E6666 #664E66

tetradic

#66664E #4E665A #4E4E66 #664E5A

square

#66664E #4E665A #4E4E66 #664E5A

split-complementary

#66664E #4E5A66 #5A4E66

monochromatic

#212119 #434333 #66664E #898969 #A5A589

Accessibility & contrast

On white

5.87

#66664E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#66664E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66664E

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66664E	#FFFFFF	#000000	##FFFFFF
##66664E	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A644C

Deuteranopia (green-blind)

#6B654F

Tritanopia (blue-blind)

#6A635F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #66664e;
/* rgb */ color: rgb(102, 102, 78);
/* oklch */ color: oklch(50.3% 0.036 107.6);

Tailwind

colors: {
  custom: {
    50: '#92917f',
    500: '#66664e',
    950: '#000000',
  },
}

SCSS

$custom: #66664e;
$custom-light: #92917f;
$custom-dark: #000000;

JSON

{
  "hex": "#66664e",
  "rgb": {
    "r": 102,
    "g": 102,
    "b": 78
  },
  "hsl": {
    "h": 60,
    "s": 13.333,
    "l": 35.294
  },
  "oklch": {
    "l": 0.50341,
    "c": 0.0363,
    "h": 107.6
  },
  "luminance": 0.12878
}

Semantic roles & 50–950 ramp

primary

#66664E

secondary

#7D7D93

accent

#72B672

background

#F8F8F7

surface

#F0F0EE

border

#CBCBC9

text

#0D0C0A

muted

#7D7D7C

Preview Lab

Preview with #66664E

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

Preview Lab → · Contrast checker → · Palette generator →