#666337#666337

#666337 is a mid, moderate yellow. Relative luminance 0.120; OKLCH L 49.2% C 0.063 H 105.1°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#666337
RGB	rgb(102, 99, 55)
HSL	hsl(56, 30%, 31%)
HSV	hsv(56, 46%, 40%)
CMYK	cmyk(0%, 2.9%, 46.1%, 60%)
CIE-LAB	lab(41.26, -5.88, 25.35)
CIE-LCH	lch(41.26, 26.02, 103.06°)
OKLab	oklab(49.15% -0.0165 0.0612)
OKLCH	oklch(49.15% 0.063 105.1)
XYZ	xyz(10.6311, 12.0246, 5.3746)
Luminance	0.1202 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666337 #373A66

analogous

#664B37 #666337 #516637

triadic

#666337 #376663 #633766

tetradic

#666337 #37664B #373A66 #663751

square

#666337 #37664B #373A66 #663751

split-complementary

#666337 #375166 #4B3766

monochromatic

#16160C #3E3C22 #666337 #8E8A4C #AEAA69

Accessibility & contrast

On white

6.17

#666337 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#666337 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666337

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666337	#FFFFFF	#000000	##FFFFFF
##666337	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6033

Deuteranopia (green-blind)

#6B6239

Tritanopia (blue-blind)

#6C5E58

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #666337;
/* rgb */ color: rgb(102, 99, 55);
/* oklch */ color: oklch(49.2% 0.063 105.1);

Tailwind

colors: {
  custom: {
    50: '#938f6f',
    500: '#666337',
    950: '#000000',
  },
}

SCSS

$custom: #666337;
$custom-light: #938f6f;
$custom-dark: #000000;

JSON

{
  "hex": "#666337",
  "rgb": {
    "r": 102,
    "g": 99,
    "b": 55
  },
  "hsl": {
    "h": 56.17,
    "s": 29.936,
    "l": 30.784
  },
  "oklch": {
    "l": 0.49153,
    "c": 0.06336,
    "h": 105.1
  },
  "luminance": 0.12024
}

Semantic roles & 50–950 ramp

primary

#666337

secondary

#626696

accent

#68C662

background

#F9F8F6

surface

#F1F0EC

border

#CBCBC7

text

#0D0C07

muted

#7E7D7A

Preview Lab

Preview with #666337

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

Preview Lab → · Contrast checker → · Palette generator →