#666643#666643

#666643 is a mid, muted yellow. Relative luminance 0.127; OKLCH L 50.1% C 0.052 H 108.1°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#666643
RGB	rgb(102, 102, 67)
HSL	hsl(60, 21%, 33%)
HSV	hsv(60, 34%, 40%)
CMYK	cmyk(0%, 0%, 34.3%, 60%)
CIE-LAB	lab(42.36, -6.09, 19.84)
CIE-LCH	lch(42.36, 20.75, 107.07°)
OKLab	oklab(50.09% -0.0161 0.0492)
OKLCH	oklch(50.09% 0.052 108.1)
XYZ	xyz(11.2441, 12.7330, 7.1745)
Luminance	0.1273 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666643 #434366

analogous

#665443 #666643 #546643

triadic

#666643 #436666 #664366

tetradic

#666643 #436654 #434366 #664354

square

#666643 #436654 #434366 #664354

split-complementary

#666643 #435466 #544366

monochromatic

#1C1C12 #41412B #666643 #8B8B5B #A8A87B

Accessibility & contrast

On white

5.92

#666643 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#666643 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666643

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666643	#FFFFFF	#000000	##FFFFFF
##666643	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6341

Deuteranopia (green-blind)

#6C6544

Tritanopia (blue-blind)

#6B625D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #666643;
/* rgb */ color: rgb(102, 102, 67);
/* oklch */ color: oklch(50.1% 0.052 108.1);

Tailwind

colors: {
  custom: {
    50: '#929177',
    500: '#666643',
    950: '#000000',
  },
}

SCSS

$custom: #666643;
$custom-light: #929177;
$custom-dark: #000000;

JSON

{
  "hex": "#666643",
  "rgb": {
    "r": 102,
    "g": 102,
    "b": 67
  },
  "hsl": {
    "h": 60,
    "s": 20.71,
    "l": 33.137
  },
  "oklch": {
    "l": 0.50094,
    "c": 0.05176,
    "h": 108.1
  },
  "luminance": 0.12733
}

Semantic roles & 50–950 ramp

primary

#666643

secondary

#707094

accent

#6BBD6B

background

#F9F8F7

surface

#F1F0ED

border

#CBCBC8

text

#0D0C08

muted

#7E7D7B

Preview Lab

Preview with #666643

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

Preview Lab → · Contrast checker → · Palette generator →