#666E2B#666E2B

#666E2B is a mid, moderate yellow. Relative luminance 0.142; OKLCH L 51.7% C 0.091 H 115.4°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#666E2B
RGB	rgb(102, 110, 43)
HSL	hsl(67, 44%, 30%)
HSV	hsv(67, 61%, 43%)
CMYK	cmyk(7.3%, 0%, 60.9%, 56.9%)
CIE-LAB	lab(44.45, -13.32, 35.53)
CIE-LCH	lch(44.45, 37.95, 110.54°)
OKLab	oklab(51.65% -0.039 0.0822)
OKLCH	oklch(51.65% 0.091 115.4)
XYZ	xyz(11.4917, 14.1512, 4.4111)
Luminance	0.1415 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666E2B #332B6E

analogous

#6E542B #666E2B #456E2B

triadic

#666E2B #2B666E #6E2B66

tetradic

#666E2B #2B6E54 #332B6E #6E2B45

square

#666E2B #2B6E54 #332B6E #6E2B45

split-complementary

#666E2B #2B456E #542B6E

monochromatic

#141609 #3D421A #666E2B #8F9A3C #B1BD56

Accessibility & contrast

On white

5.48

#666E2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#666E2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666E2B

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666E2B	#FFFFFF	#000000	##FFFFFF
##666E2B	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)

#756924

Deuteranopia (green-blind)

#756A2F

Tritanopia (blue-blind)

#6C6860

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #666e2b;
/* rgb */ color: rgb(102, 110, 43);
/* oklch */ color: oklch(51.7% 0.091 115.4);

Tailwind

colors: {
  custom: {
    50: '#939767',
    500: '#666e2b',
    950: '#000000',
  },
}

SCSS

$custom: #666e2b;
$custom-light: #939767;
$custom-dark: #000000;

JSON

{
  "hex": "#666e2b",
  "rgb": {
    "r": 102,
    "g": 110,
    "b": 43
  },
  "hsl": {
    "h": 67.164,
    "s": 43.791,
    "l": 30
  },
  "oklch": {
    "l": 0.51651,
    "c": 0.09096,
    "h": 115.4
  },
  "luminance": 0.14151
}

Semantic roles & 50–950 ramp

primary

#666E2B

secondary

#5E55A0

accent

#54D463

background

#F9F9F6

surface

#F2F2EB

border

#CCCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #666E2B

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

Preview Lab → · Contrast checker → · Palette generator →