#666C4E#666C4E

#666C4E is a mid, muted yellow-green. Relative luminance 0.141; OKLCH L 51.8% C 0.046 H 117.2°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#666C4E
RGB	rgb(102, 108, 78)
HSL	hsl(72, 16%, 36%)
HSV	hsv(72, 28%, 42%)
CMYK	cmyk(5.6%, 0%, 27.8%, 57.6%)
CIE-LAB	lab(44.38, -7.91, 16.07)
CIE-LCH	lch(44.38, 17.91, 116.20°)
OKLab	oklab(51.77% -0.0208 0.0405)
OKLCH	oklch(51.77% 0.046 117.2)
XYZ	xyz(12.2171, 14.1000, 9.2842)
Luminance	0.1410 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666C4E #544E6C

analogous

#6C634E #666C4E #576C4E

triadic

#666C4E #4E666C #6C4E66

tetradic

#666C4E #4E6C63 #544E6C #6C4E57

square

#666C4E #4E6C63 #544E6C #6C4E57

split-complementary

#666C4E #4E576C #634E6C

monochromatic

#23251B #444834 #666C4E #889068 #A4AA8A

Accessibility & contrast

On white

5.50

#666C4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#666C4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666C4E

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666C4E	#FFFFFF	#000000	##FFFFFF
##666C4E	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#70694C

Deuteranopia (green-blind)

#70694F

Tritanopia (blue-blind)

#696964

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #666c4e;
/* rgb */ color: rgb(102, 108, 78);
/* oklch */ color: oklch(51.8% 0.046 117.2);

Tailwind

colors: {
  custom: {
    50: '#92967f',
    500: '#666c4e',
    950: '#000000',
  },
}

SCSS

$custom: #666c4e;
$custom-light: #92967f;
$custom-dark: #000000;

JSON

{
  "hex": "#666c4e",
  "rgb": {
    "r": 102,
    "g": 108,
    "b": 78
  },
  "hsl": {
    "h": 72,
    "s": 16.129,
    "l": 36.471
  },
  "oklch": {
    "l": 0.51767,
    "c": 0.04557,
    "h": 117.2
  },
  "luminance": 0.141
}

Semantic roles & 50–950 ramp

primary

#666C4E

secondary

#837E98

accent

#6FB97E

background

#F8F9F7

surface

#F0F1EE

border

#CBCBC9

text

#0D0D0A

muted

#7D7E7C

Preview Lab

Preview with #666C4E

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

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