#66604C#66604C

#66604C is a mid, muted yellow. Relative luminance 0.117; OKLCH L 48.9% C 0.031 H 93.3°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#66604C
RGB	rgb(102, 96, 76)
HSL	hsl(46, 15%, 35%)
HSV	hsv(46, 25%, 40%)
CMYK	cmyk(0%, 5.9%, 25.5%, 60%)
CIE-LAB	lab(40.76, -1.22, 12.31)
CIE-LCH	lch(40.76, 12.37, 95.65°)
OKLab	oklab(48.89% -0.0018 0.0314)
OKLCH	oklch(48.89% 0.031 93.3)
XYZ	xyz(10.9669, 11.7126, 8.5191)
Luminance	0.1171 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66604C #4C5266

analogous

#66534C #66604C #5F664C

triadic

#66604C #4C6660 #604C66

tetradic

#66604C #4C6653 #4C5266 #664C5F

square

#66604C #4C6653 #4C5266 #664C5F

split-complementary

#66604C #4C5F66 #534C66

monochromatic

#201E18 #433F32 #66604C #898166 #A69E87

Accessibility & contrast

On white

6.28

#66604C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#66604C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66604C

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66604C	#FFFFFF	#000000	##FFFFFF
##66604C	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645F4B

Deuteranopia (green-blind)

#66614D

Tritanopia (blue-blind)

#6A5D5B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #66604c;
/* rgb */ color: rgb(102, 96, 76);
/* oklch */ color: oklch(48.9% 0.031 93.3);

Tailwind

colors: {
  custom: {
    50: '#928d7e',
    500: '#66604c',
    950: '#000000',
  },
}

SCSS

$custom: #66604c;
$custom-light: #928d7e;
$custom-dark: #000000;

JSON

{
  "hex": "#66604c",
  "rgb": {
    "r": 102,
    "g": 96,
    "b": 76
  },
  "hsl": {
    "h": 46.154,
    "s": 14.607,
    "l": 34.902
  },
  "oklch": {
    "l": 0.48886,
    "c": 0.03143,
    "h": 93.3
  },
  "luminance": 0.11712
}

Semantic roles & 50–950 ramp

primary

#66604C

secondary

#7B8093

accent

#81B770

background

#F8F8F7

surface

#F0F0EE

border

#CBCBC9

text

#0D0C09

muted

#7D7D7B

Preview Lab

Preview with #66604C

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

Preview Lab → · Contrast checker → · Palette generator →