#666A3E#666A3E

#666A3E is a mid, moderate yellow. Relative luminance 0.135; OKLCH L 51.0% C 0.064 H 112.9°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#666A3E
RGB	rgb(102, 106, 62)
HSL	hsl(65, 26%, 33%)
HSV	hsv(65, 42%, 42%)
CMYK	cmyk(3.8%, 0%, 41.5%, 58.4%)
CIE-LAB	lab(43.48, -9.05, 24.17)
CIE-LCH	lch(43.48, 25.81, 110.53°)
OKLab	oklab(50.96% -0.0249 0.059)
OKLCH	oklch(50.96% 0.064 112.9)
XYZ	xyz(11.5031, 13.4808, 6.5526)
Luminance	0.1348 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666A3E #423E6A

analogous

#6A583E #666A3E #506A3E

triadic

#666A3E #3E666A #6A3E66

tetradic

#666A3E #3E6A58 #423E6A #6A3E50

square

#666A3E #3E6A58 #423E6A #6A3E50

split-complementary

#666A3E #3E506A #583E6A

monochromatic

#1C1D11 #414327 #666A3E #8B9155 #A9AE74

Accessibility & contrast

On white

5.68

#666A3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#666A3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666A3E

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666A3E	#FFFFFF	#000000	##FFFFFF
##666A3E	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#70663B

Deuteranopia (green-blind)

#706740

Tritanopia (blue-blind)

#6B655F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #666a3e;
/* rgb */ color: rgb(102, 106, 62);
/* oklch */ color: oklch(51.0% 0.064 112.9);

Tailwind

colors: {
  custom: {
    50: '#929474',
    500: '#666a3e',
    950: '#000000',
  },
}

SCSS

$custom: #666a3e;
$custom-light: #929474;
$custom-dark: #000000;

JSON

{
  "hex": "#666a3e",
  "rgb": {
    "r": 102,
    "g": 106,
    "b": 62
  },
  "hsl": {
    "h": 65.455,
    "s": 26.19,
    "l": 32.941
  },
  "oklch": {
    "l": 0.50957,
    "c": 0.06401,
    "h": 112.9
  },
  "luminance": 0.13481
}

Semantic roles & 50–950 ramp

primary

#666A3E

secondary

#6F6B99

accent

#65C36E

background

#F9F9F7

surface

#F1F1ED

border

#CBCBC8

text

#0D0D08

muted

#7E7E7B

Preview Lab

Preview with #666A3E

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

Preview Lab → · Contrast checker → · Palette generator →