#666C52#666C52

#666C52 is a mid, muted yellow-green. Relative luminance 0.142; OKLCH L 51.9% C 0.040 H 118.4°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#666C52
RGB	rgb(102, 108, 82)
HSL	hsl(74, 14%, 37%)
HSV	hsv(74, 24%, 42%)
CMYK	cmyk(5.6%, 0%, 24.1%, 57.6%)
CIE-LAB	lab(44.46, -7.25, 13.82)
CIE-LCH	lch(44.46, 15.61, 117.70°)
OKLab	oklab(51.86% -0.019 0.0351)
OKLCH	oklch(51.86% 0.04 118.4)
XYZ	xyz(12.3649, 14.1591, 10.0626)
Luminance	0.1416 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666C52 #58526C

analogous

#6C6552 #666C52 #596C52

triadic

#666C52 #52666C #6C5266

tetradic

#666C52 #526C65 #58526C #6C5259

square

#666C52 #526C65 #58526C #6C5259

split-complementary

#666C52 #52596C #65526C

monochromatic

#24261D #454938 #666C52 #878F6C #A3AA8F

Accessibility & contrast

On white

5.48

#666C52 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#666C52 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666C52

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666C52	#FFFFFF	#000000	##FFFFFF
##666C52	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#706950

Deuteranopia (green-blind)

#6F6953

Tritanopia (blue-blind)

#696965

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #666c52;
/* rgb */ color: rgb(102, 108, 82);
/* oklch */ color: oklch(51.9% 0.040 118.4);

Tailwind

colors: {
  custom: {
    50: '#929682',
    500: '#666c52',
    950: '#000000',
  },
}

SCSS

$custom: #666c52;
$custom-light: #929682;
$custom-dark: #000000;

JSON

{
  "hex": "#666c52",
  "rgb": {
    "r": 102,
    "g": 108,
    "b": 82
  },
  "hsl": {
    "h": 73.846,
    "s": 13.684,
    "l": 37.255
  },
  "oklch": {
    "l": 0.51862,
    "c": 0.03992,
    "h": 118.4
  },
  "luminance": 0.14159
}

Semantic roles & 50–950 ramp

primary

#666C52

secondary

#878298

accent

#71B781

background

#F8F9F8

surface

#F0F1EF

border

#CBCBCA

text

#0D0D0A

muted

#7D7E7C

Preview Lab

Preview with #666C52

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

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