#666F11#666F11

#666F11 is a mid, moderate yellow. Relative luminance 0.142; OKLCH L 51.7% C 0.111 H 115.4°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#666F11
RGB	rgb(102, 111, 17)
HSL	hsl(66, 73%, 25%)
HSV	hsv(66, 85%, 44%)
CMYK	cmyk(8.1%, 0%, 84.7%, 56.5%)
CIE-LAB	lab(44.57, -15.46, 46.22)
CIE-LCH	lch(44.57, 48.73, 108.49°)
OKLab	oklab(51.69% -0.0476 0.1003)
OKLCH	oklch(51.69% 0.111 115.4)
XYZ	xyz(11.2654, 14.2343, 2.6843)
Luminance	0.1423 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666F11 #1A116F

analogous

#6F4911 #666F11 #376F11

triadic

#666F11 #11666F #6F1166

tetradic

#666F11 #116F49 #1A116F #6F1137

square

#666F11 #116F49 #1A116F #6F1137

split-complementary

#666F11 #11376F #49116F

monochromatic

#181B04 #353A09 #666F11 #97A419 #C8D921

Accessibility & contrast

On white

5.46

#666F11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#666F11 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666F11

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666F11	#FFFFFF	#000000	##FFFFFF
##666F11	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#786900

Deuteranopia (green-blind)

#776A1B

Tritanopia (blue-blind)

#6D685E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #666f11;
/* rgb */ color: rgb(102, 111, 17);
/* oklch */ color: oklch(51.7% 0.111 115.4);

Tailwind

colors: {
  custom: {
    50: '#95985a',
    500: '#666f11',
    950: '#000000',
  },
}

SCSS

$custom: #666f11;
$custom-light: #95985a;
$custom-dark: #000000;

JSON

{
  "hex": "#666f11",
  "rgb": {
    "r": 102,
    "g": 111,
    "b": 17
  },
  "hsl": {
    "h": 65.745,
    "s": 73.438,
    "l": 25.098
  },
  "oklch": {
    "l": 0.51685,
    "c": 0.111,
    "h": 115.4
  },
  "luminance": 0.14234
}

Semantic roles & 50–950 ramp

primary

#666F11

secondary

#4035A6

accent

#38F049

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0E0D04

muted

#7E7E79

Preview Lab

Preview with #666F11

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

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