#666E1A#666E1A

#666E1A is a mid, moderate yellow. Relative luminance 0.141; OKLCH L 51.5% C 0.105 H 114.9°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#666E1A
RGB	rgb(102, 110, 26)
HSL	hsl(66, 62%, 27%)
HSV	hsv(66, 76%, 43%)
CMYK	cmyk(7.3%, 0%, 76.4%, 56.9%)
CIE-LAB	lab(44.31, -14.50, 42.93)
CIE-LCH	lch(44.31, 45.31, 108.67°)
OKLab	oklab(51.49% -0.0441 0.095)
OKLCH	oklch(51.49% 0.105 114.9)
XYZ	xyz(11.2422, 14.0514, 3.0971)
Luminance	0.1405 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666E1A #221A6E

analogous

#6E4C1A #666E1A #3C6E1A

triadic

#666E1A #1A666E #6E1A66

tetradic

#666E1A #1A6E4C #221A6E #6E1A3C

square

#666E1A #1A6E4C #221A6E #6E1A3C

split-complementary

#666E1A #1A3C6E #4C1A6E

monochromatic

#171906 #383D0E #666E1A #94A026 #C0CF34

Accessibility & contrast

On white

5.51

#666E1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#666E1A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666E1A

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666E1A	#FFFFFF	#000000	##FFFFFF
##666E1A	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#766809

Deuteranopia (green-blind)

#766921

Tritanopia (blue-blind)

#6D675E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #666e1a;
/* rgb */ color: rgb(102, 110, 26);
/* oklch */ color: oklch(51.5% 0.105 114.9);

Tailwind

colors: {
  custom: {
    50: '#94975d',
    500: '#666e1a',
    950: '#000000',
  },
}

SCSS

$custom: #666e1a;
$custom-light: #94975d;
$custom-dark: #000000;

JSON

{
  "hex": "#666e1a",
  "rgb": {
    "r": 102,
    "g": 110,
    "b": 26
  },
  "hsl": {
    "h": 65.714,
    "s": 61.765,
    "l": 26.667
  },
  "oklch": {
    "l": 0.51491,
    "c": 0.10477,
    "h": 114.9
  },
  "luminance": 0.14051
}

Semantic roles & 50–950 ramp

primary

#666E1A

secondary

#4A41A3

accent

#43E552

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D05

muted

#7E7E79

Preview Lab

Preview with #666E1A

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

Preview Lab → · Contrast checker → · Palette generator →