#666A12#666A12

#666A12 is a mid, moderate yellow. Relative luminance 0.132; OKLCH L 50.5% C 0.105 H 112.3°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#666A12
RGB	rgb(102, 106, 18)
HSL	hsl(63, 71%, 24%)
HSV	hsv(63, 83%, 42%)
CMYK	cmyk(3.8%, 0%, 83%, 58.4%)
CIE-LAB	lab(43.03, -12.68, 44.55)
CIE-LCH	lch(43.03, 46.32, 105.89°)
OKLab	oklab(50.45% -0.0398 0.0969)
OKLCH	oklch(50.45% 0.105 112.3)
XYZ	xyz(10.7431, 13.1768, 2.5496)
Luminance	0.1318 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666A12 #16126A

analogous

#6A4212 #666A12 #3A6A12

triadic

#666A12 #12666A #6A1266

tetradic

#666A12 #126A42 #16126A #6A123A

square

#666A12 #126A42 #16126A #6A123A

split-complementary

#666A12 #123A6A #42126A

monochromatic

#191A04 #343609 #666A12 #989E1B #CBD324

Accessibility & contrast

On white

5.78

#666A12 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#666A12 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666A12

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666A12	#FFFFFF	#000000	##FFFFFF
##666A12	1.00	5.78	3.64	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736500

Deuteranopia (green-blind)

#73671A

Tritanopia (blue-blind)

#6E635A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #666a12;
/* rgb */ color: rgb(102, 106, 18);
/* oklch */ color: oklch(50.5% 0.105 112.3);

Tailwind

colors: {
  custom: {
    50: '#959459',
    500: '#666a12',
    950: '#000000',
  },
}

SCSS

$custom: #666a12;
$custom-light: #959459;
$custom-dark: #000000;

JSON

{
  "hex": "#666a12",
  "rgb": {
    "r": 102,
    "g": 106,
    "b": 18
  },
  "hsl": {
    "h": 62.727,
    "s": 70.968,
    "l": 24.314
  },
  "oklch": {
    "l": 0.50452,
    "c": 0.10478,
    "h": 112.3
  },
  "luminance": 0.13177
}

Semantic roles & 50–950 ramp

primary

#666A12

secondary

#3B36A2

accent

#3AEE42

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0E0D04

muted

#7E7E79

Preview Lab

Preview with #666A12

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

Preview Lab → · Contrast checker → · Palette generator →