#666E11#666E11

#666E11 is a mid, moderate yellow. Relative luminance 0.140; OKLCH L 51.4% C 0.110 H 114.8°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#666E11
RGB	rgb(102, 110, 17)
HSL	hsl(65, 73%, 25%)
HSV	hsv(65, 85%, 43%)
CMYK	cmyk(7.3%, 0%, 84.5%, 56.9%)
CIE-LAB	lab(44.26, -14.92, 45.95)
CIE-LCH	lch(44.26, 48.31, 107.99°)
OKLab	oklab(51.44% -0.0461 0.0997)
OKLCH	oklch(51.44% 0.11 114.8)
XYZ	xyz(11.1569, 14.0173, 2.6481)
Luminance	0.1402 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666E11 #19116E

analogous

#6E4711 #666E11 #386E11

triadic

#666E11 #11666E #6E1166

tetradic

#666E11 #116E47 #19116E #6E1138

square

#666E11 #116E47 #19116E #6E1138

split-complementary

#666E11 #11386E #47116E

monochromatic

#191B04 #353909 #666E11 #97A319 #C8D821

Accessibility & contrast

On white

5.52

#666E11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#666E11 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666E11

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666E11	#FFFFFF	#000000	##FFFFFF
##666E11	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#776800

Deuteranopia (green-blind)

#76691A

Tritanopia (blue-blind)

#6D675D

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #666e11;
/* rgb */ color: rgb(102, 110, 17);
/* oklch */ color: oklch(51.4% 0.110 114.8);

Tailwind

colors: {
  custom: {
    50: '#959759',
    500: '#666e11',
    950: '#000000',
  },
}

SCSS

$custom: #666e11;
$custom-light: #959759;
$custom-dark: #000000;

JSON

{
  "hex": "#666e11",
  "rgb": {
    "r": 102,
    "g": 110,
    "b": 17
  },
  "hsl": {
    "h": 65.161,
    "s": 73.228,
    "l": 24.902
  },
  "oklch": {
    "l": 0.51436,
    "c": 0.10983,
    "h": 114.8
  },
  "luminance": 0.14017
}

Semantic roles & 50–950 ramp

primary

#666E11

secondary

#3F35A5

accent

#38F048

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0E0D04

muted

#7E7E79

Preview Lab

Preview with #666E11

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

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