#666B2A#666B2A

#666B2A is a mid, moderate yellow. Relative luminance 0.135; OKLCH L 50.9% C 0.088 H 113.2°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#666B2A
RGB	rgb(102, 107, 42)
HSL	hsl(65, 44%, 29%)
HSV	hsv(65, 61%, 42%)
CMYK	cmyk(4.7%, 0%, 60.7%, 58%)
CIE-LAB	lab(43.52, -11.74, 34.99)
CIE-LCH	lch(43.52, 36.91, 108.55°)
OKLab	oklab(50.9% -0.0346 0.0809)
OKLCH	oklch(50.9% 0.088 113.2)
XYZ	xyz(11.1554, 13.5075, 4.2096)
Luminance	0.1351 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666B2A #2F2A6B

analogous

#6B502A #666B2A #466B2A

triadic

#666B2A #2A666B #6B2A66

tetradic

#666B2A #2A6B50 #2F2A6B #6B2A46

square

#666B2A #2A6B50 #2F2A6B #6B2A46

split-complementary

#666B2A #2A466B #502A6B

monochromatic

#151609 #3C3F19 #666B2A #90973B #B4BC54

Accessibility & contrast

On white

5.67

#666B2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#666B2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666B2A

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666B2A	#FFFFFF	#000000	##FFFFFF
##666B2A	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736623

Deuteranopia (green-blind)

#73682E

Tritanopia (blue-blind)

#6C655D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #666b2a;
/* rgb */ color: rgb(102, 107, 42);
/* oklch */ color: oklch(50.9% 0.088 113.2);

Tailwind

colors: {
  custom: {
    50: '#939566',
    500: '#666b2a',
    950: '#000000',
  },
}

SCSS

$custom: #666b2a;
$custom-light: #939566;
$custom-dark: #000000;

JSON

{
  "hex": "#666b2a",
  "rgb": {
    "r": 102,
    "g": 107,
    "b": 42
  },
  "hsl": {
    "h": 64.615,
    "s": 43.624,
    "l": 29.216
  },
  "oklch": {
    "l": 0.50903,
    "c": 0.088,
    "h": 113.2
  },
  "luminance": 0.13507
}

Semantic roles & 50–950 ramp

primary

#666B2A

secondary

#59549D

accent

#54D35E

background

#F9F9F6

surface

#F2F1EB

border

#CCCBC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #666B2A

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

Preview Lab → · Contrast checker → · Palette generator →