#66684B#66684B

#66684B is a mid, muted yellow. Relative luminance 0.132; OKLCH L 50.7% C 0.044 H 111.1°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#66684B
RGB	rgb(102, 104, 75)
HSL	hsl(64, 16%, 35%)
HSV	hsv(64, 28%, 41%)
CMYK	cmyk(1.9%, 0%, 27.9%, 59.2%)
CIE-LAB	lab(43.11, -6.07, 16.13)
CIE-LCH	lch(43.11, 17.24, 110.63°)
OKLab	oklab(50.74% -0.0157 0.0406)
OKLCH	oklch(50.74% 0.044 111.1)
XYZ	xyz(11.6998, 13.2335, 8.5932)
Luminance	0.1323 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66684B #4D4B68

analogous

#685B4B #66684B #57684B

triadic

#66684B #4B6668 #684B66

tetradic

#66684B #4B685B #4D4B68 #684B57

square

#66684B #4B685B #4D4B68 #684B57

split-complementary

#66684B #4B5768 #5B4B68

monochromatic

#202118 #434431 #66684B #898C65 #A5A886

Accessibility & contrast

On white

5.76

#66684B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#66684B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66684B

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66684B	#FFFFFF	#000000	##FFFFFF
##66684B	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6549

Deuteranopia (green-blind)

#6D664C

Tritanopia (blue-blind)

#6A6560

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #66684b;
/* rgb */ color: rgb(102, 104, 75);
/* oklch */ color: oklch(50.7% 0.044 111.1);

Tailwind

colors: {
  custom: {
    50: '#92937d',
    500: '#66684b',
    950: '#000000',
  },
}

SCSS

$custom: #66684b;
$custom-light: #92937d;
$custom-dark: #000000;

JSON

{
  "hex": "#66684b",
  "rgb": {
    "r": 102,
    "g": 104,
    "b": 75
  },
  "hsl": {
    "h": 64.138,
    "s": 16.201,
    "l": 35.098
  },
  "oklch": {
    "l": 0.50744,
    "c": 0.04355,
    "h": 111.1
  },
  "luminance": 0.13233
}

Semantic roles & 50–950 ramp

primary

#66684B

secondary

#7C7A95

accent

#6FB974

background

#F9F9F7

surface

#F1F1EE

border

#CBCBC9

text

#0D0D09

muted

#7E7E7B

Preview Lab

Preview with #66684B

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

Preview Lab → · Contrast checker → · Palette generator →