#666D2C#666D2C

#666D2C is a mid, moderate yellow. Relative luminance 0.139; OKLCH L 51.4% C 0.089 H 114.7°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#666D2C
RGB	rgb(102, 109, 44)
HSL	hsl(66, 42%, 30%)
HSV	hsv(66, 60%, 43%)
CMYK	cmyk(6.4%, 0%, 59.6%, 57.3%)
CIE-LAB	lab(44.15, -12.68, 34.70)
CIE-LCH	lch(44.15, 36.94, 110.07°)
OKLab	oklab(51.42% -0.037 0.0806)
OKLCH	oklch(51.42% 0.089 114.7)
XYZ	xyz(11.4030, 13.9441, 4.4732)
Luminance	0.1394 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666D2C #332C6D

analogous

#6D542C #666D2C #456D2C

triadic

#666D2C #2C666D #6D2C66

tetradic

#666D2C #2C6D54 #332C6D #6D2C45

square

#666D2C #2C6D54 #332C6D #6D2C45

split-complementary

#666D2C #2C456D #542C6D

monochromatic

#141609 #3D411A #666D2C #8F993E #B1BC58

Accessibility & contrast

On white

5.54

#666D2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#666D2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666D2C

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666D2C	#FFFFFF	#000000	##FFFFFF
##666D2C	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#746825

Deuteranopia (green-blind)

#746930

Tritanopia (blue-blind)

#6C675F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #666d2c;
/* rgb */ color: rgb(102, 109, 44);
/* oklch */ color: oklch(51.4% 0.089 114.7);

Tailwind

colors: {
  custom: {
    50: '#939668',
    500: '#666d2c',
    950: '#000000',
  },
}

SCSS

$custom: #666d2c;
$custom-light: #939668;
$custom-dark: #000000;

JSON

{
  "hex": "#666d2c",
  "rgb": {
    "r": 102,
    "g": 109,
    "b": 44
  },
  "hsl": {
    "h": 66.462,
    "s": 42.484,
    "l": 30
  },
  "oklch": {
    "l": 0.51417,
    "c": 0.08866,
    "h": 114.7
  },
  "luminance": 0.13944
}

Semantic roles & 50–950 ramp

primary

#666D2C

secondary

#5E569F

accent

#56D263

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #666D2C

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

Preview Lab → · Contrast checker → · Palette generator →