#666D1D#666D1D

#666D1D is a mid, moderate yellow. Relative luminance 0.139; OKLCH L 51.3% C 0.102 H 114.3°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#666D1D
RGB	rgb(102, 109, 29)
HSL	hsl(65, 58%, 27%)
HSV	hsv(65, 73%, 43%)
CMYK	cmyk(6.4%, 0%, 73.4%, 57.3%)
CIE-LAB	lab(44.02, -13.79, 41.46)
CIE-LCH	lch(44.02, 43.69, 108.40°)
OKLab	oklab(51.27% -0.0418 0.0925)
OKLCH	oklch(51.27% 0.102 114.3)
XYZ	xyz(11.1702, 13.8510, 3.2472)
Luminance	0.1385 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666D1D #241D6D

analogous

#6D4C1D #666D1D #3E6D1D

triadic

#666D1D #1D666D #6D1D66

tetradic

#666D1D #1D6D4C #241D6D #6D1D3E

square

#666D1D #1D6D4C #241D6D #6D1D3E

split-complementary

#666D1D #1D3E6D #4C1D6D

monochromatic

#171806 #393D10 #666D1D #939D2A #BECB3A

Accessibility & contrast

On white

5.57

#666D1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#666D1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666D1D

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666D1D	#FFFFFF	#000000	##FFFFFF
##666D1D	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#756710

Deuteranopia (green-blind)

#756923

Tritanopia (blue-blind)

#6D665D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #666d1d;
/* rgb */ color: rgb(102, 109, 29);
/* oklch */ color: oklch(51.3% 0.102 114.3);

Tailwind

colors: {
  custom: {
    50: '#94965f',
    500: '#666d1d',
    950: '#000000',
  },
}

SCSS

$custom: #666d1d;
$custom-light: #94965f;
$custom-dark: #000000;

JSON

{
  "hex": "#666d1d",
  "rgb": {
    "r": 102,
    "g": 109,
    "b": 29
  },
  "hsl": {
    "h": 65.25,
    "s": 57.971,
    "l": 27.059
  },
  "oklch": {
    "l": 0.51267,
    "c": 0.10151,
    "h": 114.3
  },
  "luminance": 0.13851
}

Semantic roles & 50–950 ramp

primary

#666D1D

secondary

#4C44A2

accent

#47E154

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D05

muted

#7E7E79

Preview Lab

Preview with #666D1D

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

Preview Lab → · Contrast checker → · Palette generator →