#666D1A#666D1A

#666D1A is a mid, moderate yellow. Relative luminance 0.138; OKLCH L 51.2% C 0.104 H 114.3°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#666D1A
RGB	rgb(102, 109, 26)
HSL	hsl(65, 61%, 26%)
HSV	hsv(65, 76%, 43%)
CMYK	cmyk(6.4%, 0%, 76.1%, 57.3%)
CIE-LAB	lab(44.00, -13.96, 42.63)
CIE-LCH	lch(44.00, 44.86, 108.13°)
OKLab	oklab(51.24% -0.0426 0.0944)
OKLCH	oklch(51.24% 0.104 114.3)
XYZ	xyz(11.1349, 13.8369, 3.0613)
Luminance	0.1384 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666D1A #211A6D

analogous

#6D4B1A #666D1A #3D6D1A

triadic

#666D1A #1A666D #6D1A66

tetradic

#666D1A #1A6D4B #211A6D #6D1A3D

square

#666D1A #1A6D4B #211A6D #6D1A3D

split-complementary

#666D1A #1A3D6D #4B1A6D

monochromatic

#171906 #383C0E #666D1A #949E26 #C1CE33

Accessibility & contrast

On white

5.57

#666D1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#666D1A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666D1A

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666D1A	#FFFFFF	#000000	##FFFFFF
##666D1A	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#75670A

Deuteranopia (green-blind)

#756921

Tritanopia (blue-blind)

#6D665D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #666d1a;
/* rgb */ color: rgb(102, 109, 26);
/* oklch */ color: oklch(51.2% 0.104 114.3);

Tailwind

colors: {
  custom: {
    50: '#94965d',
    500: '#666d1a',
    950: '#000000',
  },
}

SCSS

$custom: #666d1a;
$custom-light: #94965d;
$custom-dark: #000000;

JSON

{
  "hex": "#666d1a",
  "rgb": {
    "r": 102,
    "g": 109,
    "b": 26
  },
  "hsl": {
    "h": 65.06,
    "s": 61.481,
    "l": 26.471
  },
  "oklch": {
    "l": 0.51244,
    "c": 0.10357,
    "h": 114.3
  },
  "luminance": 0.13837
}

Semantic roles & 50–950 ramp

primary

#666D1A

secondary

#4941A2

accent

#43E551

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #666D1A

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

Preview Lab → · Contrast checker → · Palette generator →