#666F1D#666F1D

#666F1D is a mid, moderate yellow. Relative luminance 0.143; OKLCH L 51.8% C 0.104 H 115.6°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#666F1D
RGB	rgb(102, 111, 29)
HSL	hsl(67, 59%, 27%)
HSV	hsv(67, 74%, 44%)
CMYK	cmyk(8.1%, 0%, 73.9%, 56.5%)
CIE-LAB	lab(44.64, -14.88, 42.07)
CIE-LCH	lch(44.64, 44.62, 109.48°)
OKLab	oklab(51.76% -0.0449 0.0938)
OKLCH	oklch(51.76% 0.104 115.6)
XYZ	xyz(11.3860, 14.2825, 3.3192)
Luminance	0.1428 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666F1D #261D6F

analogous

#6F4F1D #666F1D #3D6F1D

triadic

#666F1D #1D666F #6F1D66

tetradic

#666F1D #1D6F4F #261D6F #6F1D3D

square

#666F1D #1D6F4F #261D6F #6F1D3D

split-complementary

#666F1D #1D3D6F #4F1D6F

monochromatic

#161806 #393E10 #666F1D #93A02A #BCCC3B

Accessibility & contrast

On white

5.45

#666F1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#666F1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666F1D

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666F1D	#FFFFFF	#000000	##FFFFFF
##666F1D	1.00	5.45	3.86	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#77690F

Deuteranopia (green-blind)

#766A23

Tritanopia (blue-blind)

#6D685F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #666f1d;
/* rgb */ color: rgb(102, 111, 29);
/* oklch */ color: oklch(51.8% 0.104 115.6);

Tailwind

colors: {
  custom: {
    50: '#94985f',
    500: '#666f1d',
    950: '#000000',
  },
}

SCSS

$custom: #666f1d;
$custom-light: #94985f;
$custom-dark: #000000;

JSON

{
  "hex": "#666f1d",
  "rgb": {
    "r": 102,
    "g": 111,
    "b": 29
  },
  "hsl": {
    "h": 66.585,
    "s": 58.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.51761,
    "c": 0.10396,
    "h": 115.6
  },
  "luminance": 0.14282
}

Semantic roles & 50–950 ramp

primary

#666F1D

secondary

#4F44A3

accent

#46E257

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D05

muted

#7E7E79

Preview Lab

Preview with #666F1D

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

Preview Lab → · Contrast checker → · Palette generator →