#666B20#666B20

#666B20 is a mid, moderate yellow. Relative luminance 0.134; OKLCH L 50.8% C 0.097 H 113.1°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#666B20
RGB	rgb(102, 107, 32)
HSL	hsl(64, 54%, 27%)
HSV	hsv(64, 70%, 42%)
CMYK	cmyk(4.7%, 0%, 70.1%, 58%)
CIE-LAB	lab(43.43, -12.50, 39.59)
CIE-LCH	lch(43.43, 41.52, 107.52°)
OKLab	oklab(50.8% -0.0379 0.0891)
OKLCH	oklch(50.8% 0.097 113.1)
XYZ	xyz(10.9982, 13.4447, 3.3819)
Luminance	0.1344 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666B20 #25206B

analogous

#6B4B20 #666B20 #416B20

triadic

#666B20 #20666B #6B2066

tetradic

#666B20 #206B4B #25206B #6B2041

square

#666B20 #206B4B #25206B #6B2041

split-complementary

#666B20 #20416B #4B206B

monochromatic

#161807 #393C12 #666B20 #939A2E #BDC640

Accessibility & contrast

On white

5.69

#666B20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#666B20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666B20

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666B20	#FFFFFF	#000000	##FFFFFF
##666B20	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736615

Deuteranopia (green-blind)

#736725

Tritanopia (blue-blind)

#6D645C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #666b20;
/* rgb */ color: rgb(102, 107, 32);
/* oklch */ color: oklch(50.8% 0.097 113.1);

Tailwind

colors: {
  custom: {
    50: '#949560',
    500: '#666b20',
    950: '#000000',
  },
}

SCSS

$custom: #666b20;
$custom-light: #949560;
$custom-dark: #000000;

JSON

{
  "hex": "#666b20",
  "rgb": {
    "r": 102,
    "g": 107,
    "b": 32
  },
  "hsl": {
    "h": 64,
    "s": 53.957,
    "l": 27.255
  },
  "oklch": {
    "l": 0.50799,
    "c": 0.09682,
    "h": 113.1
  },
  "luminance": 0.13444
}

Semantic roles & 50–950 ramp

primary

#666B20

secondary

#4E489F

accent

#4ADD54

background

#F9F9F5

surface

#F2F1EA

border

#CCCBC6

text

#0D0D05

muted

#7E7E79

Preview Lab

Preview with #666B20

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

Preview Lab → · Contrast checker → · Palette generator →