#666F20#666F20

#666F20 is a mid, moderate yellow. Relative luminance 0.143; OKLCH L 51.8% C 0.102 H 115.7°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#666F20
RGB	rgb(102, 111, 32)
HSL	hsl(67, 55%, 28%)
HSV	hsv(67, 71%, 44%)
CMYK	cmyk(8.1%, 0%, 71.2%, 56.5%)
CIE-LAB	lab(44.66, -14.69, 40.84)
CIE-LCH	lch(44.66, 43.41, 109.79°)
OKLab	oklab(51.79% -0.044 0.0917)
OKLCH	oklch(51.79% 0.102 115.7)
XYZ	xyz(11.4249, 14.2981, 3.5242)
Luminance	0.1430 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666F20 #29206F

analogous

#6F5020 #666F20 #3F6F20

triadic

#666F20 #20666F #6F2066

tetradic

#666F20 #206F50 #29206F #6F203F

square

#666F20 #206F50 #29206F #6F203F

split-complementary

#666F20 #203F6F #50206F

monochromatic

#161807 #3A3F12 #666F20 #929F2E #B9C841

Accessibility & contrast

On white

5.44

#666F20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#666F20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666F20

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666F20	#FFFFFF	#000000	##FFFFFF
##666F20	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#776914

Deuteranopia (green-blind)

#766A26

Tritanopia (blue-blind)

#6D685F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #666f20;
/* rgb */ color: rgb(102, 111, 32);
/* oklch */ color: oklch(51.8% 0.102 115.7);

Tailwind

colors: {
  custom: {
    50: '#949861',
    500: '#666f20',
    950: '#000000',
  },
}

SCSS

$custom: #666f20;
$custom-light: #949861;
$custom-dark: #000000;

JSON

{
  "hex": "#666f20",
  "rgb": {
    "r": 102,
    "g": 111,
    "b": 32
  },
  "hsl": {
    "h": 66.835,
    "s": 55.245,
    "l": 28.039
  },
  "oklch": {
    "l": 0.51786,
    "c": 0.10176,
    "h": 115.7
  },
  "luminance": 0.14298
}

Semantic roles & 50–950 ramp

primary

#666F20

secondary

#5248A3

accent

#49DF5A

background

#F9F9F5

surface

#F2F2EA

border

#CCCCC6

text

#0D0D05

muted

#7E7E79

Preview Lab

Preview with #666F20

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

Preview Lab → · Contrast checker → · Palette generator →