#666A1E#666A1E

#666A1E is a mid, moderate yellow. Relative luminance 0.132; OKLCH L 50.5% C 0.097 H 112.3°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#666A1E
RGB	rgb(102, 106, 30)
HSL	hsl(63, 56%, 27%)
HSV	hsv(63, 72%, 42%)
CMYK	cmyk(3.8%, 0%, 71.7%, 58.4%)
CIE-LAB	lab(43.10, -12.07, 40.13)
CIE-LCH	lch(43.10, 41.90, 106.74°)
OKLab	oklab(50.54% -0.0369 0.0899)
OKLCH	oklch(50.54% 0.097 112.3)
XYZ	xyz(10.8682, 13.2268, 3.2086)
Luminance	0.1323 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666A1E #221E6A

analogous

#6A481E #666A1E #406A1E

triadic

#666A1E #1E666A #6A1E66

tetradic

#666A1E #1E6A48 #221E6A #6A1E40

square

#666A1E #1E6A48 #221E6A #6A1E40

split-complementary

#666A1E #1E406A #481E6A

monochromatic

#171807 #383A11 #666A1E #949A2C #C0C73B

Accessibility & contrast

On white

5.76

#666A1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#666A1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666A1E

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666A1E	#FFFFFF	#000000	##FFFFFF
##666A1E	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726512

Deuteranopia (green-blind)

#736723

Tritanopia (blue-blind)

#6D635B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #666a1e;
/* rgb */ color: rgb(102, 106, 30);
/* oklch */ color: oklch(50.5% 0.097 112.3);

Tailwind

colors: {
  custom: {
    50: '#94945f',
    500: '#666a1e',
    950: '#000000',
  },
}

SCSS

$custom: #666a1e;
$custom-light: #94945f;
$custom-dark: #000000;

JSON

{
  "hex": "#666a1e",
  "rgb": {
    "r": 102,
    "g": 106,
    "b": 30
  },
  "hsl": {
    "h": 63.158,
    "s": 55.882,
    "l": 26.667
  },
  "oklch": {
    "l": 0.50536,
    "c": 0.09715,
    "h": 112.3
  },
  "luminance": 0.13227
}

Semantic roles & 50–950 ramp

primary

#666A1E

secondary

#4A459E

accent

#49DF51

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0D0D05

muted

#7E7E79

Preview Lab

Preview with #666A1E

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

Preview Lab → · Contrast checker → · Palette generator →