#666A4E#666A4E

#666A4E is a mid, muted yellow. Relative luminance 0.137; OKLCH L 51.3% C 0.042 H 114.5°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#666A4E
RGB	rgb(102, 106, 78)
HSL	hsl(69, 15%, 36%)
HSV	hsv(69, 26%, 42%)
CMYK	cmyk(3.8%, 0%, 26.4%, 58.4%)
CIE-LAB	lab(43.77, -6.76, 15.25)
CIE-LCH	lch(43.77, 16.68, 113.90°)
OKLab	oklab(51.29% -0.0176 0.0386)
OKLCH	oklch(51.29% 0.042 114.5)
XYZ	xyz(12.0086, 13.6830, 9.2147)
Luminance	0.1368 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666A4E #524E6A

analogous

#6A604E #666A4E #586A4E

triadic

#666A4E #4E666A #6A4E66

tetradic

#666A4E #4E6A60 #524E6A #6A4E58

square

#666A4E #4E6A60 #524E6A #6A4E58

split-complementary

#666A4E #4E586A #604E6A

monochromatic

#22231A #444734 #666A4E #888D68 #A4A98A

Accessibility & contrast

On white

5.62

#666A4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#666A4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666A4E

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666A4E	#FFFFFF	#000000	##FFFFFF
##666A4E	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E674C

Deuteranopia (green-blind)

#6E684F

Tritanopia (blue-blind)

#696762

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #666a4e;
/* rgb */ color: rgb(102, 106, 78);
/* oklch */ color: oklch(51.3% 0.042 114.5);

Tailwind

colors: {
  custom: {
    50: '#92947f',
    500: '#666a4e',
    950: '#000000',
  },
}

SCSS

$custom: #666a4e;
$custom-light: #92947f;
$custom-dark: #000000;

JSON

{
  "hex": "#666a4e",
  "rgb": {
    "r": 102,
    "g": 106,
    "b": 78
  },
  "hsl": {
    "h": 68.571,
    "s": 15.217,
    "l": 36.078
  },
  "oklch": {
    "l": 0.5129,
    "c": 0.04238,
    "h": 114.5
  },
  "luminance": 0.13683
}

Semantic roles & 50–950 ramp

primary

#666A4E

secondary

#817D96

accent

#70B87A

background

#F8F9F7

surface

#F0F1EE

border

#CBCBC9

text

#0D0D0A

muted

#7D7E7C

Preview Lab

Preview with #666A4E

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

Preview Lab → · Contrast checker → · Palette generator →