#666E2D#666E2D

#666E2D is a mid, moderate yellow. Relative luminance 0.142; OKLCH L 51.7% C 0.089 H 115.4°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#666E2D
RGB	rgb(102, 110, 45)
HSL	hsl(67, 42%, 30%)
HSV	hsv(67, 59%, 43%)
CMYK	cmyk(7.3%, 0%, 59.1%, 56.9%)
CIE-LAB	lab(44.47, -13.14, 34.56)
CIE-LCH	lch(44.47, 36.97, 110.82°)
OKLab	oklab(51.68% -0.0382 0.0804)
OKLCH	oklch(51.68% 0.089 115.4)
XYZ	xyz(11.5293, 14.1663, 4.6091)
Luminance	0.1417 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666E2D #352D6E

analogous

#6E552D #666E2D #456E2D

triadic

#666E2D #2D666E #6E2D66

tetradic

#666E2D #2D6E55 #352D6E #6E2D45

square

#666E2D #2D6E55 #352D6E #6E2D45

split-complementary

#666E2D #2D456E #552D6E

monochromatic

#151709 #3E431B #666E2D #8E993F #AFBB5A

Accessibility & contrast

On white

5.48

#666E2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#666E2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666E2D

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666E2D	#FFFFFF	#000000	##FFFFFF
##666E2D	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#756926

Deuteranopia (green-blind)

#756A31

Tritanopia (blue-blind)

#6C6860

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #666e2d;
/* rgb */ color: rgb(102, 110, 45);
/* oklch */ color: oklch(51.7% 0.089 115.4);

Tailwind

colors: {
  custom: {
    50: '#939768',
    500: '#666e2d',
    950: '#000000',
  },
}

SCSS

$custom: #666e2d;
$custom-light: #939768;
$custom-dark: #000000;

JSON

{
  "hex": "#666e2d",
  "rgb": {
    "r": 102,
    "g": 110,
    "b": 45
  },
  "hsl": {
    "h": 67.385,
    "s": 41.935,
    "l": 30.392
  },
  "oklch": {
    "l": 0.51675,
    "c": 0.08899,
    "h": 115.4
  },
  "luminance": 0.14166
}

Semantic roles & 50–950 ramp

primary

#666E2D

secondary

#6057A0

accent

#56D265

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #666E2D

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

Preview Lab → · Contrast checker → · Palette generator →