#666F4E#666F4E

#666F4E is a mid, muted yellow-green. Relative luminance 0.147; OKLCH L 52.5% C 0.050 H 120.6°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#666F4E
RGB	rgb(102, 111, 78)
HSL	hsl(76, 17%, 37%)
HSV	hsv(76, 30%, 44%)
CMYK	cmyk(8.1%, 0%, 29.7%, 56.5%)
CIE-LAB	lab(45.28, -9.61, 17.29)
CIE-LCH	lch(45.28, 19.78, 119.06°)
OKLab	oklab(52.49% -0.0257 0.0435)
OKLCH	oklch(52.49% 0.05 120.6)
XYZ	xyz(12.5390, 14.7437, 9.3915)
Luminance	0.1474 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666F4E #574E6F

analogous

#6F684E #666F4E #566F4E

triadic

#666F4E #4E666F #6F4E66

tetradic

#666F4E #4E6F68 #574E6F #6F4E56

square

#666F4E #4E6F68 #574E6F #6F4E56

split-complementary

#666F4E #4E566F #684E6F

monochromatic

#24271B #454B35 #666F4E #879367 #A4AD8A

Accessibility & contrast

On white

5.32

#666F4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#666F4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666F4E

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666F4E	#FFFFFF	#000000	##FFFFFF
##666F4E	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736B4C

Deuteranopia (green-blind)

#726B4F

Tritanopia (blue-blind)

#696C66

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #666f4e;
/* rgb */ color: rgb(102, 111, 78);
/* oklch */ color: oklch(52.5% 0.050 120.6);

Tailwind

colors: {
  custom: {
    50: '#92987f',
    500: '#666f4e',
    950: '#000000',
  },
}

SCSS

$custom: #666f4e;
$custom-light: #92987f;
$custom-dark: #000000;

JSON

{
  "hex": "#666f4e",
  "rgb": {
    "r": 102,
    "g": 111,
    "b": 78
  },
  "hsl": {
    "h": 76.364,
    "s": 17.46,
    "l": 37.059
  },
  "oklch": {
    "l": 0.52487,
    "c": 0.05047,
    "h": 120.6
  },
  "luminance": 0.14744
}

Semantic roles & 50–950 ramp

primary

#666F4E

secondary

#867E9A

accent

#6EBA83

background

#F9F9F7

surface

#F1F2EE

border

#CBCCC9

text

#0D0D0A

muted

#7E7E7C

Preview Lab

Preview with #666F4E

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

Preview Lab → · Contrast checker → · Palette generator →