#666F2C#666F2C

#666F2C is a mid, moderate yellow. Relative luminance 0.144; OKLCH L 51.9% C 0.091 H 116.1°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#666F2C
RGB	rgb(102, 111, 44)
HSL	hsl(68, 43%, 30%)
HSV	hsv(68, 60%, 44%)
CMYK	cmyk(8.1%, 0%, 60.4%, 56.5%)
CIE-LAB	lab(44.77, -13.78, 35.39)
CIE-LCH	lch(44.77, 37.98, 111.27°)
OKLab	oklab(51.91% -0.0401 0.082)
OKLCH	oklch(51.91% 0.091 116.1)
XYZ	xyz(11.6188, 14.3757, 4.5451)
Luminance	0.1438 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666F2C #352C6F

analogous

#6F562C #666F2C #446F2C

triadic

#666F2C #2C666F #6F2C66

tetradic

#666F2C #2C6F56 #352C6F #6F2C44

square

#666F2C #2C6F56 #352C6F #6F2C44

split-complementary

#666F2C #2C446F #562C6F

monochromatic

#151709 #3E431B #666F2C #8E9B3D #AFBD58

Accessibility & contrast

On white

5.42

#666F2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#666F2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666F2C

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666F2C	#FFFFFF	#000000	##FFFFFF
##666F2C	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#766A25

Deuteranopia (green-blind)

#766A30

Tritanopia (blue-blind)

#6C6960

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #666f2c;
/* rgb */ color: rgb(102, 111, 44);
/* oklch */ color: oklch(51.9% 0.091 116.1);

Tailwind

colors: {
  custom: {
    50: '#939868',
    500: '#666f2c',
    950: '#000000',
  },
}

SCSS

$custom: #666f2c;
$custom-light: #939868;
$custom-dark: #000000;

JSON

{
  "hex": "#666f2c",
  "rgb": {
    "r": 102,
    "g": 111,
    "b": 44
  },
  "hsl": {
    "h": 68.06,
    "s": 43.226,
    "l": 30.392
  },
  "oklch": {
    "l": 0.51909,
    "c": 0.09132,
    "h": 116.1
  },
  "luminance": 0.14376
}

Semantic roles & 50–950 ramp

primary

#666F2C

secondary

#6056A1

accent

#55D366

background

#F9F9F6

surface

#F2F2EB

border

#CCCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #666F2C

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

Preview Lab → · Contrast checker → · Palette generator →