#666B2C#666B2C

#666B2C is a mid, moderate yellow. Relative luminance 0.135; OKLCH L 50.9% C 0.086 H 113.2°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#666B2C
RGB	rgb(102, 107, 44)
HSL	hsl(65, 42%, 30%)
HSV	hsv(65, 59%, 42%)
CMYK	cmyk(4.7%, 0%, 58.9%, 58%)
CIE-LAB	lab(43.54, -11.57, 34.01)
CIE-LCH	lch(43.54, 35.92, 108.78°)
OKLab	oklab(50.93% -0.0339 0.0791)
OKLCH	oklch(50.93% 0.086 113.2)
XYZ	xyz(11.1920, 13.5222, 4.4029)
Luminance	0.1352 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666B2C #312C6B

analogous

#6B512C #666B2C #476B2C

triadic

#666B2C #2C666B #6B2C66

tetradic

#666B2C #2C6B51 #312C6B #6B2C47

square

#666B2C #2C6B51 #312C6B #6B2C47

split-complementary

#666B2C #2C476B #512C6B

monochromatic

#151609 #3D401A #666B2C #8F963E #B2BA57

Accessibility & contrast

On white

5.67

#666B2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#666B2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666B2C

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666B2C	#FFFFFF	#000000	##FFFFFF
##666B2C	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726625

Deuteranopia (green-blind)

#726830

Tritanopia (blue-blind)

#6C655D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #666b2c;
/* rgb */ color: rgb(102, 107, 44);
/* oklch */ color: oklch(50.9% 0.086 113.2);

Tailwind

colors: {
  custom: {
    50: '#939568',
    500: '#666b2c',
    950: '#000000',
  },
}

SCSS

$custom: #666b2c;
$custom-light: #939568;
$custom-dark: #000000;

JSON

{
  "hex": "#666b2c",
  "rgb": {
    "r": 102,
    "g": 107,
    "b": 44
  },
  "hsl": {
    "h": 64.762,
    "s": 41.722,
    "l": 29.608
  },
  "oklch": {
    "l": 0.50927,
    "c": 0.08602,
    "h": 113.2
  },
  "luminance": 0.13522
}

Semantic roles & 50–950 ramp

primary

#666B2C

secondary

#5C569D

accent

#56D260

background

#F9F9F6

surface

#F1F1EB

border

#CBCBC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #666B2C

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

Preview Lab → · Contrast checker → · Palette generator →